Part of speech:
A right angle tool used to determine if two surfaces join at a 90-degree angle, composed of two arms, usually made from metal.
Any huge structure with a square base and four sloping, triangular sides meeting at the top, as those built by the ancient Egyptians for royal tombs
A constellation in the northern sky near Aries and Andromeda.
An old ball game played by three people standing in a triangular formation.
a three-sided polygon
Find another word for triangle. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for triangle, like: deltoid, set-square, deltoidal, pyramidal, pyriform, triangular, trigonal, pyramid, triangulum, trigon and trilateral.