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rom its appearance in pictures by Vandyke. -- Vandyke edge, an edge having ornamental triangular points.

A decorative cabinet, of a form originating in Spain, the body being rectangular and supported on legs or an ornamental framework and the front opening downwards on hinges to serve as a writing desk.

-- Variation of the moon (Astron.), an inequality of the moon's motion, depending on the angular distance of the moon from the sun. It is greater at the octants, and zero at the quadratures. -- Variation of the needle (Geog. & Naut.), the angle included between the true and magnetic meridians of a place; the deviatio…

it of time, usually the number of feet passed over in a second. See the Note under Speed. Angular velocity. See under Angular. -- Initial velocity, the velocity of a moving body at starting; especially, the velocity of a projectile as it leaves the mouth of a firearm from which it is discharged. -- Relative velocity,…

ll. Vestibule of the ear. (Anat.) See under Ear. -- Vestibule of the vulva (Anat.), a triangular space between the nymphæ, in which the orifice of the urethra is situated. -- Vestibule train (Railroads), a train of passenger cars having the space between the end doors of adjacent cars inclosed, so as to admit of leav…

An instrument somewhat resembling the spinet, but having a rectangular form, like the small piano. It had strings and keys, but only one wire to a note. The instrument was used in the sixteenth century, but is now wholly obsolete. It was sometimes called a pair of virginals.

A solid of five sides, having a rectangular base, two rectangular or trapezoidal sides meeting in an edge, and two triangular ends.

A rectangular rent made in cloth; -- called also winkle-hole. [Local, U. S.] Bartlett.

An instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screw key. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes.

s, the zodiacal planets. Zodiacal light, a luminous tract of the sky, of an elongated, triangular figure, lying near the ecliptic, its base being on the horizon, and its apex at varying altitudes. It is to be seen only in the evening, after twilight, and in the morning before dawn. It is supposed to be due to sunlight…