Definify.com

Webster 1913 Edition

‖

Noun.

[NL., fr. Gr. [GREEK] not fixed;

ἀ

priv. + [GREEK] to set.]

(Med.)

A variety of chorea, marked by peculiar tremors of the fingers and toes.

athetosis ‎(plural athetoses)

(medicine) A series of involuntary writhing movements of the limbs, typically bilateral and symmetric and predominantly affecting the distal parts of the limbs.

series of involuntary writhing movements of the limbs