tri·an·gle

triangle
- pronunciation:
- traI
aeng
g
l
- features:
- Word History, Word Explorer
| part of speech: |
noun |
| definition 1: |
a geometric plane figure having three sides and three angles.
Do you know how to find the area of a triangle?
|
| definition 2: |
any of various things that resemble such a figure, such as a draftsman's triangle, used in drawing angles, or a musical instrument consisting of a bent metal rod that is struck by another rod, or a three-sided piece of land.
I love to hear the triangle in the marching band. |
| related words: |
truss, wedge |
| derivation: |
triangled (adj.) |
Triangle comes from
triangulus, a Latin word that means "having three angles or corners."