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a quick rotary motion, it describes very remarkable curves, according to the shape of the instrument and the manner of throwing it, often moving nearly horizontally a long distance, then curving upward to a considerable height, and finally taking a retrograde direction, so as to fall near the place from which it was th…

An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to "boost", or raise, the pressure in the circuit.

An instrument of torture for the leg, formerly used to extort confessions, particularly in Scotland. So he was put to the torture, which in Scotland they call the boots; for they put a pair of iron boots close on the leg, and drive wedges between them and the leg. Bp. Burnet.

An instrument to stretch and widen the leg of a boot, consisting of two pieces, together shaped like a leg, between which, when put into the boot, a wedge is driven. The pretty boots trimly stretched on boottrees. Thackeray.

To perforate or penetrate, as a solid body, by turning an auger, gimlet, drill, or other instrument; to make a round hole in or through; to pierce; as, to bore a plank. I'll believe as soon this whole earth may be bored. Shak.

One that bores; an instrument for boring.

A long, flexible instrument, that is

th a number of horse hairs stretched from end to end of it, used in playing on a stringed instrument.

The act or art of managing the bow in playing on stringed instruments. Bowing constitutes a principal part of the art of the violinist, the violist, etc. J. W. Moore.

hard and smooth, is extensively used in the arts, as by turners, engravers, mathematical instrument makers, etc. Box elder, the ash-leaved maple (Negundo aceroides), of North America. -- Box holly, the butcher's broom (Russus aculeatus). -- Box thorn, a shrub (Lycium barbarum). -- Box tree, the tree variety of the…

A curved instrument or handle of iron or wood, for holding and turning bits, etc.; a bitstock.

An instrument or machine to break or bruise the woody part of flax or hemp so that it may be separated from the fiber.

An instrument to brand with; a branding iron.

A scolding bridle, an instrument formerly used for correcting scolding women. It was an iron frame surrounding the head and having a triangular piece entering the mouth of the scold.

To shatter to pieces; to reduce to fragments. The victim broke in pieces the musical instruments with which he had solaced the hours of captivity. Prescott.

lin, guitar, etc., serving of raise them and transmit their vibrations to the body of the instrument.

ydra, the larvæ of which live in artificial brines and in salt lakes. -- Brine gauge, an instrument for measuring the saltness of a liquid. -- Brine pan, a pit or pan of salt water, where salt is formed by cristallization. -- Brine pit, a salt spring or well, from which water is taken to be boiled or evaporated for…

A pointed instrument, as a joiner's awl, a brad awl, a needle, or a small ship stick.

An instrument for cutting into the bronchial tubes.

An instrument for making such tracings, as a recording brontometer.