triangle (ˈtraɪˌæŋɡ^{ə}l) | |
—n | |
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 | |
'triangled | |
—adj |
"In the huts of witches all the instruments and implements are triangular." ["Handwörterbuch des deutschen Aberglaubens"]
triangle tri·an·gle (trī'āng'gəl)
n.
A three-sided area, space, or structure.
triangle (trī'āng'gəl) Pronunciation Key
A closed geometric figure consisting of three sides. |