twitch

noun

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

   “I saw a little twitch in the man's face, and knew he was lying.”

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

   “THE TWITCH is a short stick of strong ash, about the size of a mopstick, with a hole pierced near the end, through which is passed a piece of strong but small cord, and tied in a loop large enough to admit the open hand freely.”

4. (countable, uncountable)A brief, contractile response of a skeletal muscle elicited by a single maximal volley of impulses in the neurons supplying it.
5. (countable, uncountable)The sudden narrowing almost to nothing of a vein of ore.
6. (countable, uncountable)A trip taken in order to observe a rare bird.

   “Siberian Crane [...] Following its departure, there was much speculation that rediscovery at a less inaccessible locality would lead to one of the great twitches of 1981; alas, this was not to be.”

7. (uncountable)couch grass (Elymus repens; a species of grass, often considered as a weed)

verb

1. (intransitive)To perform a twitch; spasm.

   “His fingers were nervously twitching.”

2. (transitive)To cause to twitch; spasm.

   “Their feet padded softly on the ground, and they crept quite close to him, twitching their noses...”

3. (transitive)To jerk sharply and briefly.

   “to twitch somebody's sleeve for attention”

   “Thrice they twitched the diamond in her ear.”

4. (obsolete)To exert oneself.
5. (transitive)To spot or seek out a bird, especially a rare one.

   “Marsh Sandpiper [...] This delicate ‘mini shank’ has graced our shores for the past six successive years and has become increasingly easy to twitch.”

   “"But the key revelation from twitching that wonderful Iceland Gull on 10 March 1974 wasn't its eroticism. It was the sheer innocence of it."”

   “"I hadn't seen John since I went to Adelaide to (unsuccessfully) twitch the '87 Northern Shoveler, when I was a skinny, eighteen-year-old kid. "”

6. (intransitive)To engage in twitching.

   “"The Birdwatchers Handbook ... will be a clear asset to those who 'twitch' in Europe."”

name

1. A live streaming service that focuses on video game live streaming.

   “On the Amazon Live homepage, fans can also chat with the host and one another in a Twitch-like side panel next to the live video.”