|1.||geometry a three-sided polygon that can be classified by angle, as in an acute triangle, or by side, as in an equilateral triangle. Sum of interior angles: 180°; area: ½ base × height|
|2.||any object shaped like a triangle|
|3.||See also eternal triangle any situation involving three parties or points of view|
|4.||music a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick|
|5.||a group of three|
|[C14: from Latin triangulum (noun), from triangulus (adjective), from |
"In the huts of witches all the instruments and implements are triangular." ["Handwörterbuch des deutschen Aberglaubens"]
triangle tri·an·gle (trī'āng'gəl)
A three-sided area, space, or structure.
|triangle (trī'āng'gəl) Pronunciation Key
A closed geometric figure consisting of three sides.
see eternal triangle.