rapid eye movement
noun
rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.
Also called
REM
Origin of rapid eye movement
First recorded in 1915–20
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British Dictionary definitions for rapid eye movement
rapid eye movement
noun
movement of the eyeballs under closed eyelids during paradoxical sleep, which occurs while the sleeper is dreaming
Abbreviation: REM
Medical definitions for rapid eye movement
rapid eye movement
n.
The rapid periodic jerky movement of the eyes during certain stages of the sleep cycle when dreaming takes place.