tic

noun

A habitual spasmodic muscular movement or contraction, usually of the face or extremities.

intransitive verb

To have a tic; produce tics.

noun

A habitual spasmodic contraction of certain muscles, especially of the face; twitching; vellication: especially applied to tic-douloureux, or facial neuralgia. See tic-douloureux.

An African beefeater or ox-pecker; an ox-bird. See cuts under Buphaga and Textor.

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.