trapezoid bone trapezoidal • trapezoidiform · · · Info · Definitions · Synonyms · Characters · · trapezoid bone · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) the wrist bone between the trapezium and the capitate bones. Synonyms: trapezoid, trapezoid bone, os trapezoideum. · · Noun Definition 1 Synonyms · · · trapezoid · · Synonym 1 os trapezoideum · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E 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