pecs pecos river • pectase · · · Info · Definitions · Synonyms · Characters · · pecs · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) either of two large muscles of the chest. Synonyms: pectoral, pectoral muscle, pectoralis, musculus pectoralis. · · Noun Definition 1 Synonyms · · · pectoral · · Synonym 1 pectoral muscle · · Synonym 2 pectoralis · · Synonym 3 musculus pectoralis · · Synonym 4 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 p latin small letter p U+0070 s latin small letter s U+0073