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rned frog (Zoöl.), a very large Brazilian frog (Ceratophrys cornuta), having a pair of triangular horns arising from the eyelids. -- Horned grebe (Zoöl.), a species of grebe (Colymbus auritus), of Arctic Europe and America, having two dense tufts of feathers on the head. -- Horned horse (Zoöl.), the gnu. -- Horned l…

A built-up, rifled, rapid-fire gun of oil-tempered steel, having a rectangular breechblock which moves horizontally or vertically in a mortise cut completely through the jacket. It is made in France.

om the fact that the projections of three equal lines, parallel respectively to three rectangular axes, are equal to one another. This kind of projection is principally used in delineating buildings or machinery, in which the principal lines are parallel to three rectangular axes, and the principal planes are parallel…

Texas and Mexico to Patagonia. It is usually brownish yellow, with large, dark, somewhat angular rings, each generally inclosing one or two dark spots. It is chiefly arboreal in its habits. Called also the American tiger.

A triangular sail set upon a stay or halyard extending from the foremast or fore-topmast to the bowsprit or the jib boom. Large vessels often carry several jibe; as, inner jib; outer jib; flying jib; etc.

Volcanic ashes, consisting of small, angular, stony fragments or particles.

angled triangle; cf. It. & Sp. vela latina; properly Latin sail. See Latin.] (Naut.) A triangular sail, extended by a long yard, which is slung at about one fourth of its length from the lower end, to a low mast, this end being brought down at the tack, while the other end is elevated at an angle or about forty-five de…

The angular distance of a heavenly body from the ecliptic. Ascending latitude, Circle of latitude, Geographical latitude, etc. See under Ascending. Circle, etc. -- High latitude, that part of the earth's surface near either pole, esp. that part within either the arctic or the antarctic circle. -- Low latitude, that p…

as a globe of fire moving from the clouds to the earth. -- Chain lightning, lightning in angular, zigzag, or forked flashes. -- Heat lightning, more or less vivid and extensive flashes of electric light, without thunder, seen near the horizon, esp. at the close of a hot day. -- Lightning arrester (Telegraphy), a dev…

ting of logarithms. Logarithmic curve (Math.), a curve which, referred to a system of rectangular coördinate axes, is such that the ordinate of any point will be the logarithm of its abscissa. -- Logarithmic spiral, a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in contin…

hemists. -- Lunar cycle. Same as Metonic cycle. See under Cycle. -- Lunar distance, the angular distance of the moon from the sun, a star, or a planet, employed for determining longitude by the lunar method. -- Lunar method, the method of finding a ship's longitude by comparing the local time of taking (by means of…

r of magnitude. The magnitude of his designs. Bp. Horsley. Apparent magnitude (Opt.), the angular breadth of an object viewed as measured by the angle which it subtends at the eye of the observer; - - called also apparent diameter. -- Magnitude of a star (Astron.), the rank of a star with respect to brightness. About…

A genus of edentates, covered with large, hard, triangular scales, with sharp edges that overlap each other like tiles on a roof. They inhabit the warmest parts of Asia and Africa, and feed on ants. Called also Scaly anteater. See Pangolin.

A rectangular arrangement of symbols in rows and columns. The symbols may express quantities or operations.

, inhabiting the mountains of Sardinia, Corsica, etc. Its horns are very large, with a triangular base and rounded angles. It is supposed by some to be the original of the domestic sheep. Called also musimon or musmon. [Written also moufflon.]

A West African monkey (Cercopithecus cephus). It has yellow whiskers, and a triangular blue mark on the nose.

Having greater length than breadth, esp. when rectangular.

A rectangular figure.

Right-angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See under Orthographic.

An oblong rectangular piece of cloth, worn by Roman ladies, and fastened with brooches.