Pronunciation : Tic
Part of Speech : n.
Etymology : [F.] (Med.)
Definition : Defn: 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 (. Etym: [F., fr. tic a knack, a twitching + douloureux painful.] (Med.) Neuralgia in the face; face ague. See under Face.
Source : Webster's Unabridged Dictionary, 1913