trapezium bone trapezium • trapezius · · · Info · Definitions · Synonyms · Characters · · trapezium bone · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals. Synonyms: trapezium, trapezium bone, os trapezium. · · Noun Definition 1 Synonyms · · · trapezium · · Synonym 1 os trapezium · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D 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 u latin small letter u U+0075 z latin small letter z U+007A