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An instrument which pricks or pierces, as a sort of needle used by engravers, etchers, lace workers, and others; also, a pointed cutting tool, as a stone cutter's point; -- called also pointer.

Distinguished bravery; valor; especially, military bravery and skill; gallantry; intrepidity; fearlessness. Chaucer. Sir P. Sidney. He by his prowess conquered all France. Shak.

a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays.

A fissure or mineral vein traversing the strata vertically, or nearly so; -- called also rake-vein. Gill rakes. (Anat.) See under 1st Gill.

ich a refracted ray makes with the perpendicular to the surface separating the two media traversed by the ray. -- Conical refraction (Opt.), the refraction of a ray of light into an infinite number of rays, forming a hollow cone. This occurs when a ray of light is passed through crystals of some substances, under cert…

A connecting wire of an electric or voltaic apparatus, traversed by a current.

A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.

course ending where it began; a circuit; a beat; especially, one freguently or regulary traversed; also, the act of traversing a circuit; as, a watchman's round; the rounds of the postman.

A horseman or trooper. [Obs.] Such a regiment of rutters Never defied men braver. Beau. & Fl.

; deviation. Every one shall know a country better that makes often sallies into it, and traverses it up and down, than he that . . . goes still round in the same track. Locke.

A tool with a semicircular edge, -- used by engravers to clear away the spaces between the lines of an engraving. Fairholt.

To pass swiftly over; to brush along; to traverse or search thoroughly; as, to scour the coast. Not so when swift Camilla scours the plain. Pope. Scouring barrel, a tumbling barrel. See under Tumbling. -- Scouring cinder (Metal.), a basic slag, which attacks the lining of a shaft furnace. Raymond. -- Scouring rush. (…

Pertaining to, or traversed in, six hours, or in half the time between the rising and setting of a heavenly body; as, a semidiurnal arc.

Any large seagoing vessel. Like a stately ship . . . With all her bravery on, and tackle trim, Sails filled, and streamers waving. Milton. Thou, too, sail on, O Ship of State! Longfellow.

A disruptive discharge between a conductor traversed by an oscillatory current of high frequency (as lightning) and neighboring masses of metal, or between different parts of the same conductor.

anded variety of calcite formed by deposition from lime-bearing waters; calcareous tufa; travertine. -- Ceraunian sinter, fulgurite. -- Siliceous sinter, a light cellular or fibrous opal; especially, geyserite (see Geyserite). It has often a pearly luster, and is then called pearl sinter.

in a good sense. Be ye sly as serpents, and simple as doves. Wyclif (Matt. x. 16). Whom graver age And long experience hath made wise and sly. Fairfax.

educe the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet.

rn portion of the Caribbean Sea, together with the contiguous coast, embracing the route traversed by Spanish treasure ships from the New to the Old World. -- Spanish moss. (Bot.) See Tillandsia. -- Spanish needles (Bot.), a composite weed (Bidens bipinnata) having achenia armed with needlelike awns. -- Spanish nut…

the peripheral white matter is composed of nerve fibers only. The center of the cord is traversed by a slender canal connecting with the ventricles of the brain.