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An instrument for drawing a circular arc without the use of a central point; a cyclograph.

A lamp with a circular hollow wick and glass chimney which allow a current of air both inside and outside of the flame. Argand burner, a burner for an Argand lamp, or a gas burner in which the principle of that lamp is applied.

In a circle; circularly; on every side; round.

the pupil of the eye. -- Ball valve (Mach.), a contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. -- Ball vein (Mining), a sort of iron ore, found in loose masses of a globular form, containing sparkling particles. -- Three balls, or Three golden balls, a pawnbroke…

An ornament resembling a ball placed in a circular flower, the petals of which form a cup round it, -- usually inserted in a hollow molding.

having a uniformly dyed ground, usually of red or blue, with white or yellow figures of a circular, lozenge, or other simple form.

A plane used for cutting out grooves and inlaying strings and bands in straight and circular work.

A circular or oval valley, or depression of the surface of the ground, the lowest part of which is generally occupied by a lake, or traversed by a river.

a room, and projecting outward from the wall, either in a rectangular, polygonal, or semicircular form; -- often corruptly called a bow window.

A band or stripe, as of color, round any organ; or any circular ridge or series of ridges. Belt lacing, thongs used for lacing together the ends of machine belting.

A decoration of a flat surface, as of a band or belt, representing circular disks lapping one upon another.

A kind of wood-turning lathe for making noncircular and irregular forms, as felloes, gun stocks, lasts, spokes, etc., after a given pattern. The pattern and work rotate on parallel spindles in the same direction with the same speed, and the work is shaped by a rapidly rotating cutter whose position is varied by the pat…

To make a hole or perforation with, or as with, a boring instrument; to cut a circular hole by the rotary motion of a tool; as, to bore for water or oil (i. e., to sink a well by boring for water or oil); to bore with a gimlet; to bore into a tree (as insects).

eneath the contents and supports them, as the part of a chair on which a person sits, the circular base or lower head of a cask or tub, or the plank floor of a ship's hold; the under surface. Barrels with the bottom knocked out. Macaulay. No two chairs were alike; such high backs and low backs and leather bottoms and w…

projection at the top on one side instead of a head; also, a small wire nail, with a flat circular head; sometimes, a small, tapering, square-bodied finishing nail, with a countersunk head.

A circular revolving brush used by turners, lapidaries, silversmiths, etc., for polishing.

oad-faced hammer, used in bucking or breaking up ores. -- Bucking kier (Manuf.), a large circular boiler, or kier, used in bleaching. -- Bucking stool, a washing block.

A block of wood or plate of iron made to fit a hawse hole, or the circular opening in a half-port, to prevent water from entering when the vessel pitches. Blind buckler (Naut.), a solid buckler. -- Buckler mustard (Bot.), a genus of plants (Biscutella) with small bright yellow flowers. The seed vessel on bursting rese…

A small circular or oval wooden block without sheaves, having a groove around it and a hole through it, used for connecting rigging.

A small circular saw.