charley-horse charley horse • Charley horse · · · Info · Definitions · Synonyms · Characters · · charley-horse · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a muscular cramp (especially in the thigh or calf) following vigorous exercise. Synonyms: charley horse. · · Noun Definition 1 Synonyms · · · charley horse · · Synonym 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079