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A camera for taking chronophotographs for exhibition by the instrument described above.

An instrument of observation, the graduated limb of which consists of an entire circle.

points at infinity. -- Circular functions. (Math.) See under Function. -- Circular instruments, mathematical instruments employed for measuring angles, in which the graduation extends round the whole circumference of a circle, or 360º. -- Circular lines, straight lines pertaining to the circle, as sines, tangents,…

A surveying instrument, for taking horizontal angles and bearings; a surveyor's compass. It consists of a compass whose needle plays over a circle graduated to 360º, and of a horizontal brass bar at the ends of which are standards with narrow slits for sighting, supported on a tripod by a ball and socket joint.…

An ancient instrument resembling the harp.

A musical instrument; a kind of dulcimer. [Obs.]

An instrument shaped like a lute, but strung with wire and played with a quill or plectrum. [Written also cithern.] Shak.

An instrument with a screw or screws by which work is held in its place or two parts are temporarily held together.

An instrument of iron, with sharp prongs, attached to a boot or shoe to enable the wearer to walk securely upon ice; a creeper. Kane.

A musical instrument, formerly in use, in form of a spinet; -- called also manichord and clavichord.

A wind instrument, blown by a single reed, of richer and fuller tone than the oboe, which has a double reed. It is the leading instrument in a military band.

A keyed stringed instrument, now superseded by the pianoforte. See Clarichord.

One who cleaves, or that which cleaves; especially, a butcher's instrument for cutting animal bodies into joints or pieces.

An instrument for determining the dip of beds or strata, pr the slope of an embankment or cutting; a kind of plumb level. Dana.

A West Indian wood, used for making flutes and other musical instruments.

An instrument in writting whereby a defendant in an action acknowledges a plaintiff's demand to be just. Mozley & W.

g; the adjustment of the line of the sights, as the axial line of the telescope of an instrument, into its proper position relative to the other parts of the instrument. Error of collimation, the deviation of the line collimation of an astronomical instrument from the position it ought to have with respect to the axis…

An instrument for measuring the depth of the color of anything, especially of a liquid, by comparison with a standard liquid.

A short knotted rope formerly used as an instrument of punishment in the navy. Ham. Nav. Encyc. 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…

An instrument with teeth, for straightening, cleansing, and adjusting the hair, or for keeping it in place.