a. [ Pref. bi- + concave. ] Concave on both sides; as, biconcave vertebræ. [ 1913 Webster ]

v. t. [ L. concameratus, p. p. of concamerare to arch over. See Camber. ] 1. To arch over; to vault. [ 1913 Webster ]

Of the upper beak an inch and a half consisteth of one concamerated bone. Grew. [ 1913 Webster ]

2. To divide into chambers or cells. Woodward. [ 1913 Webster ]

n. [ L. concameratio. ] 1. An arch or vault. [ 1913 Webster ]

2. A chamber of a multilocular shell. Glanvill. [ 1913 Webster ]

v. t. [ imp. & p. p. Concatenated; p. pr. & vb. n. Concatenating. ] [ L. concatenatus, p. p. of concatenare to concatenate. See Catenate. ] To link together; to unite in a series or chain, as things depending on one another. [ 1913 Webster ]

This all things friendly will concatenate. Dr. H. More [ 1913 Webster ]

n. [ L. concatenatio. ] A series of links united; a series or order of things depending on each other, as if linked together; a chain, a succession. [ 1913 Webster ]

The stoics affirmed a fatal, unchangeable concatenation of causes, reaching even to the illicit acts of man's will. South. [ 1913 Webster ]

A concatenation of explosions. W. Irving. [ 1913 Webster ]

n. A joint cause. Fotherby. [ 1913 Webster ]

n. The act of making concave. [ 1913 Webster ]

v. t. [ imp. & p. p. concaved p. pr. & vb. n. Concaving. ] To make hollow or concave. [ 1913 Webster ]

a. [ L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow. ] 1. Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky. [ 1913 Webster ]

2. Hollow; void of contents. [ R. ] [ 1913 Webster ]

As concave . . . as a worm-eaten nut. Shak. [ 1913 Webster ]

n. [ L. concavum. ] 1. A hollow; an arched vault; a cavity; a recess. [ 1913 Webster ]

Up to the fiery concave towering hight. Milton. [ 1913 Webster ]

2. (Mech.) A curved sheath or breasting for a revolving cylinder or roll. [ 1913 Webster ]

a. (Her.) Bowed in the form of an arch; -- called also arched. [ 1913 Webster ]

n. Hollowness; concavity. [ 1913 Webster ]

n.; pl. Concavities [ L. concavitas: cf. F. concavité. See Concave. ] A concave surface, or the space bounded by it; the state of being concave. [ 1913 Webster ]

a. Concave or hollow on both sides; double concave. [ 1913 Webster ]

a. 1. Concave on one side and convex on the other, as an eggshell or a crescent. [ 1913 Webster ]

2. (Optics) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens. [ 1913 Webster ]

a. [ L. concavus. ] Concave. Abp. potter.

-- Con*ca"vous*ly, adv. [1913 Webster]

v. t. [ imp. & p. p. Concealed p. pr. & vb. n. Concealing. ] [ OF. conceler, L. concelare; con- + celareto hide; akin to AS. helan, G. hehlen, E. hele (to cover), helmet. See Hell, Helmet. ] To hide or withdraw from observation; to cover; to cover or keep from sight; to prevent the discovery of; to withhold knowledge of. [ 1913 Webster ]

It is the glory of God to conceal a thing. Prov. xxv. 2. [ 1913 Webster ]

Declare ye among the nations, . . . publish and conceal not. Jer. l. 2. [ 1913 Webster ]

He which finds him shall deserve our thanks, . . .
He that conceals him, death. Shak.

Syn. -- To hide; secrete; screen; cover; disguise; dissemble; mask; veil; cloak; screen. -- To Conceal, Hide, Disguise, Dissemble, Secrete. To hide is the generic term, which embraces all the rest. To conceal is simply not make known what we wish to keep secret. In the Bible hide often has the specific meaning of conceal. See 1 Sam. iii. 17, 18. To disguise or dissemble is to conceal by assuming some false appearance. To secrete is to hide in some place of secrecy. A man may conceal facts, disguise his sentiments, dissemble his feelings, secrete stolen goods. [ 1913 Webster ]

Bur double griefs afflict concealing hearts. Spenser. [ 1913 Webster ]

Both dissemble deeply their affections. Shak. [ 1913 Webster ]

We have in these words a primary sense, which reveals a future state, and a secondary sense, which hides and secretes it. Warburton. [ 1913 Webster ]

a. Capable of being concealed. [ 1913 Webster ]

a. Hidden; kept from sight; secreted.

-- Con*ceal"ed*ly adv. -- Con*ceal"ed*ness, n. [ 1913 Webster ]

Concealed weapons (Law), dangerous weapons so carried on the person as to be knowingly or willfully concealed from sight, -- a practice forbidden by statute. [ 1913 Webster ]

n. One who conceals. [ 1913 Webster ]

n. [ OF. concelement. ] 1. The act of concealing; the state of being concealed. [ 1913 Webster ]

But let concealment, like a worm i' the bud,
Feed on her damask cheek. Shak. [ 1913 Webster ]

Some dear cause
Will in concealment wrap me up awhile. Shak. [ 1913 Webster ]

2. A place of hiding; a secret place; a retreat frem observation. [ 1913 Webster ]

The cleft tree
Offers its kind concealment to a few. Thomson. [ 1913 Webster ]

3. A secret; out of the way knowledge. [ Obs. ] [ 1913 Webster ]

Well read in strange concealments. Shak. [ 1913 Webster ]

4. (Law) Suppression of such facts and circumstances as in justice ought to be made known. Wharton. [ 1913 Webster ]

v. t. [ imp. & p. p. Conceded; p. pr. & vb. n. Conceding. ] [ L. concedere, concessum; con- + cedere to go along, give way, yield: cf. F. concéder. See Cede. ] 1. To yield or suffer; to surrender; to grant; as, to concede the point in question. Boyle. [ 1913 Webster ]

2. To grant, as a right or privilege; to make concession of. [ 1913 Webster ]

3. To admit to be true; to acknowledge. [ 1913 Webster ]

We concede that their citizens were those who lived under different forms. Burke.

Syn. -- To grant; allow; admit; yield; surrender. [ 1913 Webster ]

v. i. To yield or make concession. [ 1913 Webster ]

I wished you to concede to America, at a time when she prayed concession at our feet. Burke. [ 1913 Webster ]

adj. prenom. acknowledged. Opposite of unacknowledged.
Syn. -- admitted(prenominal), avowed(prenominal), confessed(prenominal), self-confessed(prenominal). [ WordNet 1.5 +PJC ]

adj. signifying a concession. [ prenominal ]
Syn. -- concessive. [ WordNet 1.5 ]

n. the act of conceding or yielding.
Syn. -- concession, yielding. [ WordNet 1.5 ]

n. [ Through French, fr. L. conceptus a conceiving, conception, fr. concipere to conceive: cf. OF. p. p. nom. conciez conceived. See Conceive, and cf. Concept, Deceit. ] 1. That which is conceived, imagined, or formed in the mind; idea; thought; image; conception. [ 1913 Webster ]

In laughing, there ever procedeth a conceit of somewhat ridiculous. Bacon. [ 1913 Webster ]

A man wise in his own conceit. Prov. xxvi. 12. [ 1913 Webster ]

2. Faculty of conceiving ideas; mental faculty; apprehension; as, a man of quick conceit. [ Obs. ] [ 1913 Webster ]

How often, alas! did her eyes say unto me that they loved! and yet I, not looking for such a matter, had not my conceit open to understand them. Sir P. Sidney. [ 1913 Webster ]

3. Quickness of apprehension; active imagination; lively fancy. [ 1913 Webster ]

His wit's as thick as Tewksbury mustard; there's more conceit in him than is in a mallet. Shak. [ 1913 Webster ]

4. A fanciful, odd, or extravagant notion; a quant fancy; an unnatural or affected conception; a witty thought or turn of expression; a fanciful device; a whim; a quip. [ 1913 Webster ]

On his way to the gibbet, a freak took him in the head to go off with a conceit. L'Estrange. [ 1913 Webster ]

Some to conceit alone their works confine,
And glittering thoughts struck out at every line. Pope. [ 1913 Webster ]

Tasso is full of conceits . . . which are not only below the dignity of heroic verse but contrary to its nature. Dryden. [ 1913 Webster ]

5. An overweening idea of one's self; vanity. [ 1913 Webster ]

Plumed with conceit he calls aloud. Cotton. [ 1913 Webster ]

6. Design; pattern. [ Obs. ] Shak. [ 1913 Webster ]

In conceit with, in accord with; agreeing or conforming. --
Out of conceit with, not having a favorable opinion of; not pleased with; as, a man is out of conceit with his dress. --
To put [ one ] out of conceit with, to make one indifferent to a thing, or in a degree displeased with it. [ 1913 Webster ]

v. t. To conceive; to imagine. [ Archaic ] [ 1913 Webster ]

The strong, by conceiting themselves weak, are therebly rendered as inactive . . . as if they really were so. South. [ 1913 Webster ]

One of two bad ways you must conceit me,
Either a coward or a flatterer. Shak. [ 1913 Webster ]

v. i. To form an idea; to think. [ Obs. ] [ 1913 Webster ]

Those whose . . . vulgar apprehensions conceit but low of matrimonial purposes. Milton. [ 1913 Webster ]

a. 1. Endowed with fancy or imagination. [ Obs. ] [ 1913 Webster ]

He was . . . pleasantly conceited, and sharp of wit. Knolles. [ 1913 Webster ]

2. Entertaining a flattering opinion of one's self; vain. [ 1913 Webster ]

If you think me too conceited
Or to passion quickly heated. Swift. [ 1913 Webster ]

Conceited of their own wit, science, and politeness. Bentley. [ 1913 Webster ]

3. Curiously contrived or designed; fanciful. [ Obs. ] [ 1913 Webster ]

A conceited chair to sleep in. Evelyn.

Syn. -- Vain; proud; opinionated; egotistical. [ 1913 Webster ]

adv. 1. In an egotistical manner. [ 1913 Webster ]

2. Fancifully; whimsically. [ 1913 Webster ]

n. The state of being conceited; conceit; vanity. Addison. [ 1913 Webster ]

a. Without wit; stupid. [ Obs. ] [ 1913 Webster ]

Think'st thou I am so shallow, so conceitless.
To be seduced by thy flattery? Shak. [ 1913 Webster ]

a. [ Cf. F. concevable. ] Capable of being conceived, imagined, or understood. “Any conceivable weight.” Bp. Wilkins. [ 1913 Webster ]

It is not conceivable that it should be indeed that very person whose shape and voice it assumed. Atterbury.

-- Con*ceiv"a*ble*ness, n. -- Con*ceiv"a*bly, adv. [ 1913 Webster ]

v. t. [ imp. & p. p. Conceived p. pr. & vb. n. Conceiving. ] [ OF. conzoivre, concever, conceveir, F. concevoir, fr. L. oncipere to take, to conceive; con- + capere to seize or take. See Capable, and cf. Conception. ] 1. To receive into the womb and begin to breed; to begin the formation of the embryo of. [ 1913 Webster ]

She hath also conceived a son in her old age. Luke i. 36. [ 1913 Webster ]

2. To form in the mind; to plan; to devise; to generate; to originate; as, to conceive a purpose, plan, hope. [ 1913 Webster ]

It was among the ruins of the Capitol that I first conceived the idea of a work which has amused and exercised near twenty years of my life. Gibbon. [ 1913 Webster ]

Conceiving and uttering from the heart words of falsehood. Is. lix. 13. [ 1913 Webster ]

3. To apprehend by reason or imagination; to take into the mind; to know; to imagine; to comprehend; to understand. “I conceive you.” Hawthorne. [ 1913 Webster ]

O horror, horror, horror! Tongue nor heart
Cannot conceive nor name thee! Shak. [ 1913 Webster ]

You will hardly conceive him to have been bred in the same climate. Swift.

Syn. -- To apprehend; imagine; suppose; understand; comprehend; believe; think. [ 1913 Webster ]

v. i. 1. To have an embryo or fetus formed in the womb; to breed; to become pregnant. [ 1913 Webster ]

A virgin shall conceive, and bear a son. Isa. vii. 14. [ 1913 Webster ]

2. To have a conception, idea, or opinion; think; -- with of. [ 1913 Webster ]

Conceive of things clearly and distinctly in their own natures. I. Watts. [ 1913 Webster ]

n. One who conceives. [ 1913 Webster ]

v. t. [ L. concelebratus, p. p. of concelebrare to concelebrate. ] To celebrate together. [ Obs. ] Holland. [ 1913 Webster ]

n. [ L. concentus, fr. concinere to sing together; con- + canere to sing. ] 1. Concert of voices; concord of sounds; harmony; as, a concent of notes. [ Archaic. ] Bacon. [ 1913 Webster ]

That undisturbed song of pure concent. Milton. [ 1913 Webster ]

2. Consistency; accordance. [ Obs. ] [ 1913 Webster ]

In concent to his own principles. Atterbury. [ 1913 Webster ]

v. t. [ imp. & p. p. Concentrated; p. pr. & vb. n. Concentrating. ] [ Pref. con- + L. centrum center. Cf. Concenter. ] 1. To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention. [ 1913 Webster ]

(He) concentrated whole force at his own camp. Motley. [ 1913 Webster ]

2. To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; as, to concentrate acid by evaporation; to concentrate by washing; -- opposed to dilute. [ 1913 Webster ]

Spirit of vinegar concentrated and reduced to its greatest strength. Arbuthnot.

Syn. -- To combine; to condense; to consolidate. [ 1913 Webster ]

v. i. To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities. [ 1913 Webster ]

adj. 1. Having a high density of (the indicated substance); as, a narrow thread of concentrated ore. [ Narrower terms: undiluted (vs. diluted) ] [ WordNet 1.5 ]

2. Gathered together or made less diffuse; as, their concentrated efforts; his concentrated attention. Opposite of distributed or diffused. [ Narrower terms: bunched, bunchy, clustered; centered, centred, centralized, focused; undivided ] [ Also See: compact. ] [ WordNet 1.5 ]

3. Intense; in an extreme degree; -- of mental phenomena; as, her concentrated passion held them at bay. [ WordNet 1.5 ]

4. being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance. Opposite of dilute or unsaturated. [ Narrower terms: supersaturated ]
Syn. -- saturated. [ WordNet 1.5 ]

5. reduced to a stronger or more concentrated form; as, concentrated sulfuric acid. Opposite of diluted.
Syn. -- condensed. [ WordNet 1.5 ]

6. characterized by intensity; especially when imposed from without; -- of actions; as, concentrated study.
Syn. -- intensive. [ WordNet 1.5 ]

7. characterized by mental concentration.
Syn. -- intent. [ WordNet 1.5 +PJC ]

n. [ Cf. F. concentration. ] 1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. [ 1913 Webster ]

Concentration of the lunar beams. Boyle. [ 1913 Webster ]

Intense concetration of thought. Sir J. Herschel. [ 1913 Webster ]

2. The act or process of reducing the volume of a liquid, as by evaporation. [ 1913 Webster ]

The acid acquires a higher degree of concentration. Knight. [ 1913 Webster ]

3. (Metal.) The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water. [ 1913 Webster ]

a. Serving or tending to concentrate; characterized by concentration. [ 1913 Webster ]

A discrimination is only possible by a concentrative act, or act of attention. Sir W. Hamilton. [ 1913 Webster ]

n. 1. The quality of concentrating. [ 1913 Webster ]

2. (Phren.) The faculty or propensity which has to do with concentrating the intellectual the intellectual powers. Combe. [ 1913 Webster ]

n. (Mining) 1. An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air. Knight.

2. (Firearms) A frame or ring of wire or hard paper fitting into the cartridge case used in some shotguns, and holding the shot together when discharged, to secure close shooting; also, a device for slightly narrowing the bore at the muzzle for the same purpose. [ Webster 1913 Suppl. ]

{ } v. i. [ imp. & p. p. Concentered or Concentred p. pr & vb. n. Concentering r Concentring ] [ F. concentrer, fr. L. con- + centrum center. See Center, and cf. Concentrate ] To come to one point; to meet in, or converge toward, a common center; to have a common center. [ 1913 Webster ]

God, in whom all perfections concenter. Bp. Beveridge. [ 1913 Webster ]

{ }, v. t. To draw or direct to a common center; to bring together at a focus or point, as two or more lines; to concentrate. [ 1913 Webster ]

In thee concentering all their precious beams. Milton. [ 1913 Webster ]

All is concentered in a life intense. Byren. [ 1913 Webster ]

n. That which has a common center with something else. [ 1913 Webster ]

Its pecular relations to its concentrics. Coleridge. [ 1913 Webster ]

{ , a. [ F. concentrique. See Concenter. ] Having a common center, as circles of different size, one within another. [ 1913 Webster ]

Concentric circles upon the surface of the water. Sir I. Newton. [ 1913 Webster ]

Concentrical rings like those of an onion. Arbuthnot. [ 1913 Webster ]