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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 solid having five summits or angular points.

of the genus Siphostoma, or Syngnathus, and allied genera, having a long and very slender angular body, covered with bony plates. The mouth is small, at the end of a long, tubular snout. The male has a pouch on his belly, in which the incubation of the eggs takes place.

A rectangular garment or piece of cloth, usually made of the checkered material called tartan, but sometimes of plain gray, or gray with black stripes. It is worn by both sexes in Scotland.

To cut a groove in, as in a plank, or the edge of a board; especially, a rectangular groove to receive the end of a shelf or tread, the edge of a panel, a tongue, etc. To plow in, to cover by plowing; as, to plow in wheat. -- To plow up, to turn out of the ground by plowing.plow ahead, to continue in spite of obstacle…

great circle passing through the poles of the earth. Math. Dict. -- Polar distance, the angular distance of any point on a sphere from one of its poles, particularly of a heavenly body from the north pole of the heavens. -- Polar equation of a line or surface, an equation which expresses the relation between the pol…

A solid having many summits or angular points; a polyhedron.

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

In the theory of gravitation, or of other forces acting in space, a function of the rectangular coordinates which determine the position of a point, such that its differential coefficients with respect to the coördinates are equal to the components of the force at the point considered; -- also called potential function…

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 with…

A transparent 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.

ngles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.

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.

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

A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.

Having four sides, and consequently four angles; quadrangular.

Any small square or quadrangular member; as: