n. [ L. acus needle + E. node. ] (Geom.) An isolated point not upon a curve, but whose coördinates satisfy the equation of the curve so that it is considered as belonging to the curve. [ 1913 Webster ]

n. [ Gr. &unr_; up + &unr_; way. ] (Elec.) The positive pole of an electric battery, or more strictly the electrode by which the current enters the electrolyte on its way to the other pole; -- opposed to cathode. [ 1913 Webster ]

n. [ Prob. fr. L. crux a cross + E. node. ] (Geom.) A point where one branch of a curve crosses another branch. See Double point, under Double, a. [ 1913 Webster ]

n. (Zoöl.) One of the Echinodermata. [ 1913 Webster ]

a. (Zoöl.) Relating or belonging to the echinoderms. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. 'echi^nos hedgehog, sea urchin + de`rma, -atos, skin. ] (Zoöl.) One of the grand divisions of the animal kingdom. By many writers it was formerly included in the Radiata. [ Written also Echinoderma. ] [ 1913 Webster ]

☞ The species usually have an exterior calcareous skeleton, or shell, made of many pieces, and often covered with spines, to which the name. They may be star-shaped, cylindrical, disk-shaped, or more or less spherical. The body consists of several similar parts (spheromeres) repeated symmetrically around a central axis, at one end of which the mouth is situated. They generally have suckers for locomotion. The group includes the following classes: Crinoidea, Asterioidea, Ophiuroidea, Echinoidea, and Holothurioidea. See these words in the Vocabulary, and also Ambulacrum. [ 1913 Webster ]

a. (Zoöl.) Relating to Echinodermata; echinodermal. [ 1913 Webster ]

v. t. [ L. enodare; e out + nodare to fill with knots, nodus a knot. ] To clear of knots; to make clear. [ Obs. ] Cockeram. [ 1913 Webster ]

n. [ L. internodium; inter between + nodus knot. ] [ 1913 Webster ]

1. (Bot.) The space between two nodes or points of the stem from which the leaves properly arise. H. Spenser. [ 1913 Webster ]

2. (Anat.) A part between two joints; a segment; specifically, one of the phalanges. [ 1913 Webster ]

. (Anat.) A lymphatic gland. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. mo`nos single + delfy`s the womb. ] (Zool.) The group that includes all ordinary or placental mammals; the Placentalia. See Mammalia. [ 1913 Webster ]

{ } n. (Zool.) One of the Monodelphia. [ 1913 Webster ]

{ } a. (Zool.) Of or pertaining to the Monodelphia. [ 1913 Webster ]

n. [ L. nodus; perh. akin to E. knot. Cf. Noose, Nowed. ] 1. A knot, a knob; a protuberance; a swelling. [ 1913 Webster ]

2. Specifically: (a) (Astron.) One of the two points where the orbit of a planet, or comet, intersects the ecliptic, or the orbit of a satellite intersects the plane of the orbit of its primary. (b) (Bot.) The joint of a stem, or the part where a leaf or several leaves are inserted. (c) (Dialing) A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc. (d) (Geom.) The point at which a curve crosses itself, being a double point of the curve. See Crunode, and Acnode. (e) (Mech.) The point at which the lines of a funicular machine meet from different angular directions; -- called also knot. W. R. Johnson. (f) (Poet.) The knot, intrigue, or plot of a piece. (g) (Med.) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint. Dunglison. (h) (Mus) One of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point. (i) (Zool.) A swelling. [ 1913 Webster ]

3. (Math., Computers) A special point in a graph or diagram which is attached to other points by links. It is often labeled and represented graphically as a box or circle. A node may represent any object which is related to other objects in a conceptual structure that can be represented as a graph, the relations being represented as links between the nodes. [ PJC ]

4. (Anat.) A small mass of tissue differing from other tissue in its immediate vicinity; as, a lymph node. [ PJC ]

Ascending node (Astron.), the node at which the body is passing northerly, marked with the symbol &ascendnode_;, called the Dragon's head. Called also northern node. --
Descending node, the node at which the body is moving southwardly, marked thus &descendnode_;, called Dragon's tail. --
Line of nodes, a straight line joining the two nodes of an orbit. [ 1913 Webster ]

n. [ L. palinodia, from Gr. &unr_;; pa`lin again + &unr_; a song. See Ode. ] 1. An ode recanting, or retracting, a former one; also, a repetition of an ode. [ 1913 Webster ]

2. A retraction; esp., a formal retraction. Sandys. [ 1913 Webster ]

n. [ Platinum + Gr. &unr_; a way. ] (Physics) A cathode. [ R. ] [ 1913 Webster ]

n. (Bot.) A staminodium. [ 1913 Webster ]

n. [ Gr. steno`s narrow, little + -derm. ] (Zool.) Any species of bat belonging to the genus Stenoderma, native of the West Indies and South America. These bats have a short or rudimentary tail and a peculiarly shaped nose membrane. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the genus Stenoderma, which includes several West Indian and South American nose-leaf bats. [ 1913 Webster ]

n. A threne, or threnody; a dirge; a funeral song. [ 1913 Webster ]