D defs.my
Entry 2 senses Webster, 1913

Vellication

· Vel·li·ca·tion · IPA
01 The act of twitching, or of causing to twitch.
  1. 1.
    The act of twitching, or of causing to twitch.
  2. 2.
    A local twitching, or convulsive motion, of a muscular fiber, especially of the face.(Med.)