quadriceps quadricentennial • quadrichord · · · Info · Definitions · Synonyms · Characters · · quadriceps · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a muscle of the thigh that extends the leg. Synonyms: quadriceps femoris, musculus quadriceps femoris, quad. · · Noun Definition 1 Synonyms · · · quadriceps femoris · · Synonym 1 musculus quadriceps femoris · · Synonym 2 quad · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 p latin small letter p U+0070 q latin small letter q U+0071 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075