triangle
(traɪæŋgəl )
Word forms: triangles
1. countable noun B2
A triangle is an object, arrangement, or flat shape with three straight sides and three angles.
This design is in pastel colours with three rectangles and three triangles.
Its outline roughly forms an equilateral triangle.
...triangles of fried bread. [+ of]
...the great triangle of the Lancashire textile towns, stretching from Manchester up as far as Burnley and across to Accrington.
2. countable noun [usually singular]
The triangle is a musical instrument that consists of a piece of metal shaped like a triangle. You play it by hitting it with a short metal bar.
3. countable noun [usually singular]
If you describe a group of three people as a triangle, you mean that they are all connected with each other in a particular situation, but often have different interests.
She plays a French woman in a love triangle with her two best friends.
...the classic triangle of husband, wife and mistress.
4. See also eternal triangle
Image of triangle
© Kitch Bain, Shutterstock
Translations:
Chinese: 三角, 三角铁
Japanese: 三角形, トライアングル