athetosis athetosic • athing · · · Info · Definitions · Characters · · athetosis · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a continuous succession of slow, writhing, involuntary movements of the hands and feet and other body parts. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074