Triangle

Definition of Triangle

Tri´an`gle
n.1.(Geom.) A figure bounded by three lines, and containing three angles.
2.(Mus.) An instrument of percussion, usually made of a rod of steel, bent into the form of a triangle, open at one angle, and sounded by being struck with a small metallic rod.
3.A draughtsman's square in the form of a right-angled triangle.
4.(Mus.) A kind of frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment, - now disused.
5.(Astron.) A small constellation situated between Aries and Andromeda.
Triangle spider
(Zool.) a small American spider (Hyptiotes Americanus) of the family Ciniflonidæ, living among the dead branches of evergreen trees. It constructs a triangular web, or net, usually composed of four radii crossed by a double elastic fiber. The spider holds the thread at the apex of the web and stretches it tight, but lets go and springs the net when an insect comes in contact with it.

Related Words

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Triadelphous
Triadic
Triads of the Welsh bards
Triakisoctahedron
Trial
trial and error
Trial at bar
Trial balance
Trial by certificate
Trial by duel
Trial by inspection
Trial by record
Trial of the pyx
Triality
Trialogue
Triamide
Triamine
Triander
Triandria
Triandrian
-Triangle-
Triangle spider
Triangled
Triangular
Triangular compasses
Triangular crab
Triangular numbers
Triangulares
Triangularity
Triangularly
Triangulate
Triangulation
Triarchy
Triarian
Triarticulate
Trias
Triassic
Triatic
Triatic stay
Triatomic
Tribal
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