A continuous succession of slow writing involuntary movements of the hands and feet and other body parts

Wiktionary Word definitions in Wiktionary
n. (context symptom English) A series of involuntary writhing movements of the limbs, typically bilateral and symmetric and predominantly affecting the distal parts of the limbs.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Athetosis \Ath`e*to"sis\, n. [NL., fr. Gr. ? not fixed; 'a priv. + ? to set.] (Med.) A variety of chorea, marked by peculiar tremors of the fingers and toes.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1871, from Greek athetos "not fixed, without position or place, set aside" + -osis . Coined by U.S. nerve specialist William Alexander Hammond (1828-1900).

WordNet Word definitions in WordNet
n. a continuous succession of slow writing involuntary movements of the hands and feet and other body parts

Wikipedia Word definitions in Wikipedia
Athetosis is a symptom characterized by slow, involuntary, convoluted, writhing movements of the fingers, hands, toes, and feet and in some cases, arms, legs, neck and tongue. Movements typical of athetosis are sometimes called athetoid movements. Lesions ...