Added 9 October 2026 trapezoidal adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). More about trapezoidal at Wordnik → Where our words come from → In the shape of a trapezoid, or having some faces which have one pair of parallel sides. Of or pertaining to the trapezoid bone of the wrist. Related Words: sectionplatoontrapeziantrapezatetrapezialtrapeziformsubtrapezoidaltrirhomboidalsubtrapezoidparallelogrammaticisoscelesrectangular Back to today's word