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Tic (?), n. [F.] Med.

A local and habitual convulsive motion of certain muscles; especially, such a motion of some of the muscles of the face; twitching; velication; -- called also spasmodic tic.

Dunglison.

Tic douloureux (). [F., fr. tic a knack, a twitching + douloureux painful.] Med. Neuralgia in the face; face ague. See under Face.

 

© Webster 1913.