trapezius muscle trapezius • trapezohedral · · · Info · Definitions · Synonyms · Characters · · trapezius muscle · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms. Synonyms: trapezius, trapezius muscle, cowl muscle, musculus trapezius. · · Noun Definition 1 Synonyms · · · trapezius · · Synonym 1 cowl muscle · · Synonym 2 musculus trapezius · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 z latin small letter z U+007A