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first rudely shaped by the hand of the potter from a mass of clay revolving rapidly on a disk or table carried by a vertical spindle; a potter's wheel.

A game in which the object is to snap small disks of bone, ivory, or the like, from a flat surface, as of a table, into a small cup or basket; --called also tiddlywinks. [U. S.]

The passage of a smaller body across the disk of a larger, as of Venus across the sun's disk, or of a satellite or its shadow across the disk of its primary.

a large posterior sucker and two small anterior ones. They usually have broad, thin, and disklike bodies, and are parasite on the gills and skin of fishes.

Resembling a wheel. Trochal disk (Zoöl.), the cephalic disk of a rotifer. It is usually surrounded by a fringe of cilia.

A trolley. Troll plate (Mach.), a rotative disk with spiral ribs or grooves, by which several pieces, as the jaws of a chuck, can be brought together or spread radially.

A small piece of wood, usually cylindrical or disk-shaped, used for various purposes.

One of the disks forming the ends of a lantern wheel or pinion.

A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear.

the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra.

The umbrellalike disk, or swimming bell, of a jellyfish.

ssisted by the pressure of gases from the muzzle, which expand in a gas chamber against a disk attached to the end of the barrel, thus moving the latter to the rear with increased recoil, and against the front wall of the gas chamber, checking the recoil of the system.

The region immediately surrounding a disk moving flatwise through air; -- so called because the air has a cyclic motion as in vortex ring.

hey have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched.

or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles. wobble.

An adhesive disk of dried paste, made of flour, gelatin, isinglass, or the like, and coloring matter, -- used in sealing letters and other documents. Wafer cake, a sweet, thin cake. Shak. -- Wafer irons, or Wafer tongs (Cookery), a pincher-shaped contrivance, having flat plates, or blades, between which wafers are bak…

tube which incases the entire animal. The tube is closed at the anterior end by a convex disk perforated by numerous pores, or tubules, and resembling the rose of a watering pot. -- Watering trough, a trough from which cattle, horses, and other animals drink.

A disk or solid construction serving, instead of spokes, for connecting the rim and hub, in some kinds of car wheels, sheaves, etc.

A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a m…

irl, v. t. Whirling table. (a) (Physics) An apparatus provided with one or more revolving disks, with weights, pulleys, and other attachments, for illustrating the phenomena and laws of centrifugal force, and the like. (b) A potter's wheel.