pectoral muscle pectoral medallion • pectoral sandpiper · · · Info · Definitions · Synonyms · Characters · · pectoral muscle · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) either of two large muscles of the chest. Synonyms: pectoral, pectoral muscle, pectoralis, musculus pectoralis, pecs. · · Noun Definition 1 Synonyms · · · pectoral · · Synonym 1 pectoralis · · Synonym 2 musculus pectoralis · · Synonym 3 pecs · · Synonym 4 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 o latin small letter o U+006F 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