n. 1. The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve. [ 1913 Webster ] 2. A short, spastic contraction of the fibers or muscles; a simple muscular contraction; as, convulsive twitches; a twitch in the side. [ 1913 Webster ] 3. (Far.) A stick with a hole in one end through which passes a loop, which can be drawn tightly over the upper lip or an ear of a horse. By twisting the stick the compression is made sufficiently painful to keep the animal quiet during a slight surgical operation. J. H. Walsh. [ 1913 Webster ] |