Triangle - Definition
triangle
n 1: a three-sided polygon [syn: triangle, trigon,
trilateral]
2: something approximating the shape of a triangle; "the
coastline of Chile and Argentina and Brazil forms two legs of
a triangle"
3: a small northern constellation near Perseus between Andromeda
and Aries [syn: Triangulum, Triangle]
4: any of various triangular drafting instruments used to draw
straight lines at specified angles
5: a percussion instrument consisting of a metal bar bent in the
shape of an open triangle