triangular

1. a. Having three angles; having the form of a triangle. Source: opted

2. a. Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Source: opted

3. adj. having three angles; forming or shaped like a triangle Source: wordnet

4. adj. having three sides Source: wordnet

5. 1. Having three angles; having the form of a triangle. 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. -- Triangular crab (Zoöl.), any maioid crab; -- so called because the carapace is usually triangular. -- Triangular numbers (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate. Source: webster

6. Oblong or elongated, and having three lateral angles; as, atriangular seed, leaf, or stem. Triangular compasses, compasses withthree legs for taking off the angular points of a triangle, or anythree points at the same time.-- Triangular crab (Zoöl.), any maioid crab; -- so called becausethe carapace is usually triangular.-- Triangular numbers (Math.), the series of numbers formed by thesuccessive sums of the terms of an arithmetical progression, of whichthe first term and the common difference are 1. See Figurate numbers,under Figurate. Source: adambom

7. j:100 s. having three angles; forming or shaped like a triangle Source: ecdict

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