n. [ F. archivolte, fr. It. archivolto; pref. archi- + volto vault, arch. See Vault. ] (Arch.) (a) The architectural member surrounding the curved opening of an arch, corresponding to the architrave in the case of a square opening. (b) More commonly, the molding or other ornaments with which the wall face of the voussoirs of an arch is charged. [ 1913 Webster ]

n. A bolt with a barbed shank. [ 1913 Webster ]

n. A short blunt arrow for killing birds without piercing them. Hence: Anything which smites without penetrating. Shak. [ 1913 Webster ]

a. [ Blood + Prov. E. bolter to mat in tufts. Cf. Balter. ] Having the hair matted with clotted blood. [ Obs. & R. ] [ 1913 Webster ]

The blood-boltered Banquo smiles upon me. Shak. [ 1913 Webster ]

n. [ AS. bolt; akin to Icel. bolti, Dan. bolt, D. bout, OHG. bolz, G. bolz, bolzen; of uncertain origin. ] 1. A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, blunt-headed arrow; a quarrel; an arrow, or that which resembles an arrow; a dart. [ 1913 Webster ]

Look that the crossbowmen lack not bolts. Sir W. Scott. [ 1913 Webster ]

A fool's bolt is soon shot. Shak. [ 1913 Webster ]

2. Lightning; a thunderbolt. [ 1913 Webster ]

3. A strong pin, of iron or other material, used to fasten or hold something in place, often having a head at one end and screw thread cut upon the other end. [ 1913 Webster ]

4. A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key. [ 1913 Webster ]

5. An iron to fasten the legs of a prisoner; a shackle; a fetter. [ Obs. ] [ 1913 Webster ]

Away with him to prison!
lay bolts enough upon him. Shak. [ 1913 Webster ]

6. A compact package or roll of cloth, as of canvas or silk, often containing about forty yards. [ 1913 Webster ]

7. A bundle, as of oziers. [ 1913 Webster ]

Bolt auger, an auger of large size; an auger to make holes for the bolts used by shipwrights. --
Bolt and nut, a metallic pin with a head formed upon one end, and a movable piece (the nut) screwed upon a thread cut upon the other end. See B, C, and D, in illust. above. [ 1913 Webster ]

See Tap bolt, Screw bolt, and Stud bolt. [ 1913 Webster ]

v. t. [ imp. & p. p. Bolted; p. pr. & vb. n. Bolting. ] 1. To shoot; to discharge or drive forth. [ 1913 Webster ]

2. To utter precipitately; to blurt or throw out. [ 1913 Webster ]

I hate when Vice can bolt her arguments. Milton. [ 1913 Webster ]

3. To swallow without chewing; as, to bolt food; often used with down. [ 1913 Webster ]

4. (U. S. Politics) To refuse to support, as a nomination made by a party to which one has belonged or by a caucus in which one has taken part. [ 1913 Webster ]

5. (Sporting) To cause to start or spring forth; to dislodge, as conies, rabbits, etc. [ 1913 Webster ]

6. To fasten or secure with, or as with, a bolt or bolts, as a door, a timber, fetters; to shackle; to restrain. [ 1913 Webster ]

Let tenfold iron bolt my door. Langhorn. [ 1913 Webster ]

Which shackles accidents and bolts up change. Shak. [ 1913 Webster ]

v. i. 1. To start forth like a bolt or arrow; to spring abruptly; to come or go suddenly; to dart; as, to bolt out of the room. [ 1913 Webster ]

This Puck seems but a dreaming dolt, . . .
And oft out of a bush doth bolt. Drayton. [ 1913 Webster ]

2. To strike or fall suddenly like a bolt. [ 1913 Webster ]

His cloudless thunder bolted on their heads. Milton. [ 1913 Webster ]

3. To spring suddenly aside, or out of the regular path; as, the horse bolted. [ 1913 Webster ]

4. (U.S. Politics) To refuse to support a nomination made by a party or a caucus with which one has been connected; to break away from a party. [ 1913 Webster ]

adv. In the manner of a bolt; suddenly; straight; unbendingly. [ 1913 Webster ]

[ He ] came bolt up against the heavy dragoon. Thackeray. [ 1913 Webster ]

Bolt upright. (a) Perfectly upright; perpendicular; straight up; unbendingly erect. Addison. (b) On the back at full length. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ From Bolt, v. i. ] 1. A sudden spring or start; a sudden spring aside; as, the horse made a bolt. [ 1913 Webster ]

2. A sudden flight, as to escape creditors. [ 1913 Webster ]

This gentleman was so hopelessly involved that he contemplated a bolt to America -- or anywhere. Compton Reade. [ 1913 Webster ]

3. (U. S. Politics) A refusal to support a nomination made by the party with which one has been connected; a breaking away from one's party. [ 1913 Webster ]

v. t. [ imp. & p. p. Bolted; p. pr. & vb. n. Bolting. ] [ OE. bolten, boulten, OF. buleter, F. bluter, fr. Ll. buletare, buratare, cf. F. bure coarse woolen stuff; fr. L. burrus red. See Borrel, and cf. Bultel. ] [ 1913 Webster ]

1. To sift or separate the coarser from the finer particles of, as bran from flour, by means of a bolter; to separate, assort, refine, or purify by other means. [ 1913 Webster ]

He now had bolted all the flour. Spenser. [ 1913 Webster ]

Ill schooled in bolted language. Shak. [ 1913 Webster ]

2. To separate, as if by sifting or bolting; -- with out. [ 1913 Webster ]

Time and nature will bolt out the truth of things. L'Estrange. [ 1913 Webster ]

3. (Law) To discuss or argue privately, and for practice, as cases at law. Jacob. [ 1913 Webster ]

To bolt to the bran, to examine thoroughly, so as to separate or discover everything important. Chaucer. [ 1913 Webster ]

This bolts the matter fairly to the bran. Harte. [ 1913 Webster ]

The report of the committee was examined and sifted and bolted to the bran. Burke. [ 1913 Webster ]

n. A sieve, esp. a long fine sieve used in milling for bolting flour and meal; a bolter. B. Jonson. [ 1913 Webster ]

n. See Boultel. [ 1913 Webster ]

n. A kind of fishing line. See Boulter. [ 1913 Webster ]

n. 1. One who sifts flour or meal. [ 1913 Webster ]

2. An instrument or machine for separating bran from flour, or the coarser part of meal from the finer; a sieve. [ 1913 Webster ]

n. One who bolts; esp.: (a) A horse which starts suddenly aside. (b) A man who breaks away from his party. [ 1913 Webster ]

n. 1. (Chem.) A long, straight-necked, glass vessel for chemical distillations; -- called also a matrass or receiver. [ 1913 Webster ]

2. The head of a bolt. [ 1913 Webster ]

n. A darting away; a starting off or aside. [ 1913 Webster ]

n. 1. A sifting, as of flour or meal. [ 1913 Webster ]

2. (Law) A private arguing of cases for practice by students, as in the Inns of Court. [ Obs. ] [ 1913 Webster ]

Bolting cloth, wire, hair, silk, or other sieve cloth of different degrees of fineness; -- used by millers for sifting flour. McElrath. --
Bolting hutch, a bin or tub for the bolted flour or meal; (fig.) a receptacle. [ 1913 Webster ]

n. (Min.) A granular mineral of a grayish or yellowish color, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family. [ 1913 Webster ]

n. (Naut.) A rope stitched to the edges of a sail to strengthen the sail. [ 1913 Webster ]

n. [ A corruption of bowsprit. ] (Naut.) See Bowsprit. [ 1913 Webster ]

n. (Zool.) An edible fish of the Nile (genus Chromis). [ Written also bulti. ] [ 1913 Webster ]

n. A birdbolt. [ Obs. ] Ford. [ 1913 Webster ]

n. a type of bolt threaded only at the end opposite the head, used mostly for fastening pieces of timber together, and inserted into pre-drilled holes. [ PJC ]

‖n. A Hindoo caravansary. [ 1913 Webster ]

v. t. 1. To horse; to get with young. Shak. [ 1913 Webster ]

2. To befool. [ Obs. ] Shak. [ 1913 Webster ]

n. [ OE. colt a young horse, ass, or camel, AS. colt; cf. dial. Sw. kullt a boy, lad. ] 1. The young of the equine genus or horse kind of animals; -- sometimes distinctively applied to the male, filly being the female. Cf. Foal. [ 1913 Webster ]

☞ In sporting circles it is usual to reckon the age of colts from some arbitrary date, as from January 1, or May 1, next preceding the birth of the animal. [ 1913 Webster ]

2. A young, foolish fellow. Shak. [ 1913 Webster ]

3. A short knotted rope formerly used as an instrument of punishment in the navy. Ham. Nav. Encyc. [ 1913 Webster ]

Colt's tooth, an imperfect or superfluous tooth in young horses. --
To cast one's colt's tooth, to cease from youthful wantonness. “Your colt's tooth is not cast yet.” Shak. --
To have a colt's tooth, to be wanton. Chaucer. [ 1913 Webster ]

v. i. To frisk or frolic like a colt; to act licentiously or wantonly. [ Obs. ] [ 1913 Webster ]

They shook off their bridles and began to colt. Spenser. [ 1913 Webster ]

n. [ AS. culter, fr. L. culter plowshare, knife. Cf. Cutlass. ] A knife or cutter, attached to the beam of a plow to cut the sward, in advance of the plowshare and moldboard. [ Written also coulter. ] [ 1913 Webster ]

a. Like a colt; wanton; frisky. [ 1913 Webster ]

He was all coltish, full of ragery. Chaucer.

-- Colt"ish*ly, adv. -- Colt"ish*ness, n. [ 1913 Webster ]

. (Firearms) A self-loading or semi-automatic pistol with removable magazine in the handle holding seven cartridges. The recoil extracts and ejects the empty cartridge case, and reloads ready for another shot. Called also Browning pistol, Colt-Browning pistol, automatic pistol and automatic. [ Webster 1913 Suppl. +PJC ]

. (Firearms) A revolver made according to a system using a patented revolving cylinder, holding six cartridges, patented by Samuel Colt, an American inventor, in 1835. With various modifications, it was for many years been the standard for the United States army. [ Webster 1913 Suppl. ]

n. (Bot.) A perennial herb (Tussilago Farfara), whose leaves and rootstock are sometimes employed in medicine. [ 1913 Webster ]

Butterbur coltsfoot (Bot.), a European plant (Petasites vulgaris). [ 1913 Webster ]

See under Colt. [ 1913 Webster ]

n. [ Cf. F. demi- volte. ] (Man.) A half vault; one of the seven artificial motions of a horse, in which he raises his fore legs in a particular manner. [ 1913 Webster ]

n. (Gun.) The bolt of the cap-square over the trunnion of a cannon. Knight. [ 1913 Webster ]

n. [ OE. dulte, prop. p. p. of dullen to dull. See Dull. ] A heavy, stupid fellow; a blockhead; a numskull; an ignoramus; a dunce; a dullard. [ 1913 Webster ]

This Puck seems but a dreaming dolt. Drayton. [ 1913 Webster ]

v. i. To behave foolishly. [ Obs. ] [ 1913 Webster ]

a. Doltlike; dull in intellect; stupid; blockish; as, a doltish clown. -- Dolt"ish*ly, adv. -- Dolt"ish*ness, n. [ 1913 Webster ]

n. A coupling pin. See under Coupling. [ U. S. ] [ 1913 Webster ]

n. (Engin.) A coupling pin. See under Coupling. [ 1913 Webster ]

a. Armed with dreaded bolts. “Dread-bolted thunder.” [ Poetic ] Shak. [ 1913 Webster ]

n. A bolt for driving out other bolts. [ 1913 Webster ]

n. A drift; a tool for setting bolts home. [ 1913 Webster ]

n. a unit of energy, being equal to the kinetic energy acquired by an electron when accelerated through a potential difference of one volt. It is equal to 1.602 x 10-19 Joules. It is abbreviated eV. The unit electron-volt is often used to express the rest mass and the energy of fundamental particles, especially when accelerated to high velocity in an accelerator. In accelerators, the units encountered are more commonly megaelectron-volts (MeV or million electron-volts) and giga-electron-volts (GeV or billion electron-volts). [ PJC ]

‖n. [ NL. Named after Dr. Eschscholtz, a German botanist. ] (Bot.) A genus of papaveraceous plants, found in California and upon the west coast of North America, some species of which produce beautiful yellow, orange, rose-colored, or white flowers; the California poppy. [ 1913 Webster ]

n. (Mach.) A bolt with a looped head, or an opening in the head. [ 1913 Webster ]

n. 1. A small ingot of gold. [ 1913 Webster ]

2. A silver ingot, used in Japan as money. [ 1913 Webster ]

n. (Zool.) The greater shearwater or hagdon. See Hagdon. [ 1913 Webster ]

adj. 1. having, operating on, or powered by high voltage; as, a high-voltage generator; a high-voltage line.
Syn. -- high-tension. [ WordNet 1.5 ]

2. same as high-powered.
Syn. -- high-octane, high-powered, high-power. [ WordNet 1.5 ]