rapid eye movement


rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.

Nearby words

  1. rapid,
  2. rapid canities,
  3. rapid chess,
  4. rapid city,
  5. rapid deployment force,
  6. rapid eye movement sleep,
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  9. rapid transit,
  10. rapid transit chess

Origin of rapid eye movement

First recorded in 1915–20

Also called REM

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for rapid eye movement

rapid eye movement


movement of the eyeballs under closed eyelids during paradoxical sleep, which occurs while the sleeper is dreamingAbbreviation: REM
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for rapid eye movement

rapid eye movement


The rapid periodic jerky movement of the eyes during certain stages of the sleep cycle when dreaming takes place.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.