triangle
noun/ˈtraɪæŋɡl/
/ˈtraɪæŋɡl/
- a flat shape with three straight sides and three angles; a thing in the shape of a triangle
- Cut the sandwiches into triangles.
Extra ExamplesTopics Colours and Shapesb2- Use your protractor to construct an equilateral triangle.
- a large region resembling an inverted triangle
Oxford Collocations Dictionaryadjective- equilateral
- isosceles
- right
- …
- construct
- draw
- form
- …
- the apex of a triangle
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- a simple musical instrument that consists of a long piece of metal bent into the shape of a triangle, that you hit with another piece of metalTopics Musicc2
- a situation involving three people in a complicated relationship
- the romantic triangle at the centre of the novel
- (North American English) (British English set square)an instrument for drawing straight lines and angles, made from a flat piece of plastic or metal in the shape of a triangle with one angle of 90°
Word Originlate Middle English: from Old French triangle or Latin triangulum, neuter of triangulus ‘three-cornered’ (see tri- and the noun angle).
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triangle