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

y, formerly growing in Egypt, and now found in Abyssinia, Syria, Sicily, etc. The stem is triangular and about an inch thick.

The triangular middle part of each segment of the shell of a barnacle.

A small triangular flag, esp. one attached to a knight's lance; a pennon.

Originally, in classical architecture, the triangular space forming the gable of a simple roof; hence, a similar form used as a decoration over porticoes, doors, windows, etc.; also, a rounded or broken frontal having a similar position and use. See Temple.

A kind of dagger, -- usually a slender one with a triangular or square blade. She speaks poniards, and every word stabs. Shak.

of long black prickles. -- Prickly withe (Bot.), a West Indian cactaceous plant (Cereus triangularis) having prickly, slender, climbing, triangular stems. -- Prickly rat (Zoöl.), any one of several species of South American burrowing rodents belonging to Ctenomys and allied genera. The hair is usually intermingled w…

ent body, with usually three rectangular plane faces or sides, and two equal and parallel triangular ends or bases; -- used in experiments on refraction, dispersion, etc.

A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.

he form of a a pyramid; pyramidical; as, pyramidal cleavage. The mystic obelisks stand up Triangular, pyramidal. Mrs. Browning.

ad. -- Rattlesnake fern (Bot.), a common American fern (Botrychium Virginianum) having a triangular decompound frond and a long-stalked panicle of spore cases rising from the middle of the frond. -- Rattlesnake grass (Bot.), a handsome American grass (Glyceria Canadensis) with an ample panicle of rather large ovate s…

(b) The razor shell. -- Razor grass (Bot.), a West Indian plant (Scleria scindens), the triangular stem and the leaves of which are edged with minute sharp teeth. -- Razor grinder (Zoöl.), the European goat-sucker. -- Razor shell (Zoöl.), any marine bivalve shell belonging to Solen and allied genera, especially Sol…

g to refract; as, a refracting medium. Refracting angle of a prism (Opt.), the angle of a triangular prism included between the two sides through which the refracted beam passes in the decomposition of light. -- Refracting telescope. (Opt.) See under Telescope.

Cut flat on the reverse, and with a convex face formed of triangular facets in rows; -- said of diamonds and other precious stones. See Rose diamond, under Rose. Cf. Brilliant, n.

Shaped like an arrowhead; triangular, with the two basal angles prolonged downward.

Designating several triangular muscles called scalene muscles.

ex, perennial, endogenous herbs, often growing in dense tufts in marshy places. They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. There are several hundred species.

A long, sharp, flat-bottomed boat, with one or two masts carrying a triangular sail. They are often called Fair Haven sharpies, after the place on the coast of Connecticut where they originated. [Local, U.S.]

under Equisetum. -- Shave hook, a tool for scraping metals, consisting of a sharp- edged triangular steel plate attached to a shank and handle.

A broad, triangular piece of plank placed upon the fluke to give it a better hold in soft ground. -- Shoe block (Naut.), a block with two sheaves, one above the other, and at right angles to each other. -- Shoe bolt, a bolt with a flaring head, for fastening shoes on sleigh runners. -- Shoe pac, a kind of moccasin.…