triangular.html -
n. 1 a plane figure with three sides and angles.
2 any three things not in a straight line, with imaginary lines joining them.
3 an implement of this shape.
4 a
musical instrument consisting of a steel rod bent into a triangle and sounded by striking
it with a
small steel rod.
5 a situation, esp. an emotional relationship, involving three people.
6 a right-angled triangle of
wood etc. as a drawing-implement.
7 Naut. a device of three spars for raising weights.
8 hist. a frame of three halberds joined at the top to which a soldier was bound for flogging.
triangle of forces a triangle whose sides represent in magnitude and direction three forces in equilibrium. [ME f. OF triangle or L triangulum neut. of triangulus three-cornered (as TRI-, ANGLE(1))]