noun
- A three-sided polygon.
- synonyms: trigon, trilateral
- Something approximating the shape of a triangle.
- usage: "the coastline of Chile and Argentina and Brazil forms two legs of a triangle"
- A small northern constellation near Perseus between Andromeda and Aries.
- synonyms: Triangulum
- Any of various triangular drafting instruments used to draw straight lines at specified angles.
- A percussion instrument consisting of a metal bar bent in the shape of an open triangle. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). triangle. Retrieved September 20, 2026, from http://smartdefine.org/triangle/definitions/1209219 |
| Chicago | WordNet. 2010. "triangle" http://smartdefine.org/triangle/definitions/1209219 (accessed September 20, 2026). |
| Harvard | WordNet 2010, triangle, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/triangle/definitions/1209219>. |
| MLA | WordNet. "triangle" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/triangle/definitions/1209219> |