a three-sided polygon

[ Syn: trigon , trilateral ]

something approximating the shape of a triangle; the coastline of Chile and Argentina and Brazil forms two legs of a triangle'

a small northern constellation near Perseus between Andromeda and Aries

[ Syn: triangulum , triangle ]

any of various triangular drafting instruments used to draw straight lines at specified angles

a percussion instrument consisting of a metal bar bent in the shape of an open triangle