triangular.
Shaped like a triangle.
Meaning & usage
Shaped like a triangle.
Of, or pertaining to, triangles.
Having a triangle as a base; as, a triangular prism, a triangular pyramid.
Having three elements or parties; trilateral, tripartite.
Where this word comes from
From Middle English triangulare, trianguler, triangulere, from Old French triangulaire, triangulier and Latin triangulāris. By surface analysis, tri- + -angular.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.