twitch🔊

A brief, small (sometimes involuntary) movement out of place and then back again; a spasm.

(informal) Action of spotting or seeking out a bird, especially a rare one.

(farriery) 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 and twisted to keep the animal quiet during minor surgery. +

(physiology) A brief, contractile response of a skeletal muscle elicited by a single maximal volley of impulses in the neurons supplying it.

(mining) The sudden narrowing almost to nothing of a vein of ore.

(birdwatching) A trip taken in order to observe a rare bird.

To perform a twitch; spasm.

To cause to twitch; spasm.

To jerk sharply and briefly.

(obsolete) To exert oneself. (17th c.)

To spot or seek out a bird, especially a rare one.

(couch grass) {{gloss|(species); a species of grass, often considered as a weed}}