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WordReference Random House Unabridged Dictionary of American English © 2024tri•an•gu•lar (trī ang′gyə lər),USA pronunciation adj. - pertaining to or having the form of a triangle; three-cornered.
- having a triangle as base or cross section:a triangular prism.
- comprising three parts or elements;
triple. - pertaining to or involving a group of three, as three persons, parties, or things.
- Latin triangulāris, equivalent. to triangul(um) triangle + -āris -ar1
- 1535–45
Collins Concise English Dictionary © HarperCollins Publishers:: triangular /traɪˈæŋɡjʊlə/ adj
Also: trigonal - of or involving three participants, pieces, or units
- having a base shaped like a triangle
tri•an•gle /ˈtraɪˌæŋgəl/USA pronunciation n. [countable]- Mathematicsa closed plane figure having three sides and three angles:an equilateral triangle.
- a flat, three-sided piece of metal or plastic, with straight edges, used with a T square for drawing lines, etc.
- any three-cornered or three-sided figure or piece:a triangle of land.
- a delicate situation involving three persons, esp. one in which two of them are in love with the third.
tri•an•gu•lar /traɪˈæŋgyəlɚ/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024tri•an•gle (trī′ang′gəl),USA pronunciation n. - a closed plane figure having three sides and three angles.
- a flat triangular piece, usually of plastic, with straight edges, used in connection with a T square for drawing perpendicular lines, geometric figures, etc.
- any three-cornered or three-sided figure, object, or piece:a triangle of land.
- a musical percussion instrument that consists of a steel triangle, open at one corner, that is struck with a steel rod.
- a group of three;
triad. - a situation involving three persons, esp. one in which two of them are in love with the third.
- ([cap.]) [Astron.]the constellation Triangulum.
- Latin triangulum, noun, nominal use of neuter of triangulus three-cornered. See tri-, angle1
- Middle English 1350–1400
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