trapezoid trapezohedron • trapezoidal · · · Info · Definitions · Synonyms · Characters · · trapezoid · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a quadrilateral with two parallel sides. · · Noun Definition 1 (noun) the wrist bone between the trapezium and the capitate bones. Synonyms: trapezoid bone, os trapezoideum. · · Noun Definition 2 Synonyms · · · trapezoid bone · · Synonym 1 os trapezoideum · · Synonym 2 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 z latin small letter z U+007A