anconeous muscle anconeous • anconeus · · · Info · Definitions · Synonyms · Characters · · anconeous muscle · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) the muscle that extends the forearm and abducts the ulna in pronation of the wrist. Synonyms: anconeous muscle, musculus anconeus. · · Noun Definition 1 Synonyms · · · musculus anconeus · · Synonym 1 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 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075