tic Meaning, Definition & Usage

  1. noun a local and habitual twitching especially in the face

WordNet

Tic noun
Etymology
F.
Definitions
  1. (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.

Webster 1913