trapezoid.
A (convex) quadrilateral with two (non-adjacent) parallel sides.
Meaning & usage
A (convex) quadrilateral with two (non-adjacent) parallel sides.
A convex quadrilateral with no sides parallel.
The trapezoid bone of the wrist.
The marked trapezoidal area immediately behind the goal line and the goal itself within which the goaltender may touch the puck.
Where this word comes from
Etymology tree Proto-Indo-European *tr̥- Proto-Indo-European *ped- Proto-Indo-European *-s Proto-Indo-European *pṓds Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂ Proto-Indo-European *tr̥-ped-ih₂-der. Ancient Greek τράπεζα (trápeza) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek τρᾰπεζοειδής (trăpezoeidḗs)bor. New Latin trapezoïdēslbor. English trapezoid Learned borrowing from New Latin trapezoïdēs. By surface analysis, trapeze + -oid. First attested in 1704.
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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.