from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A sudden twitching of muscles or parts of muscles, without any rhythm or pattern, occurring in various brain disorders.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The brief, involuntary twitching of a muscle or group of muscles.

from The Century Dictionary and Cyclopedia

  • n. Spasmodic contraction of the muscles of the extremities and, less frequently, of the back.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a clonic spasm of a muscle or muscle group


myo- (Wiktionary)



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  • This word can be used to describe that weird feeling of falling – and subsequent jerking awake – one sometimes gets right before falling asleep.

    July 14, 2008