Definition of nap noun from the Oxford Advanced Learner's Dictionary

     

    nap

     noun
    noun
    BrE BrE//næp//
     
    ; NAmE NAmE//næp//
     
     
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  1. 1[countable] a short sleep, especially during the day synonym snooze to take/have a nap I had a short nap after lunch. Synonymssleepdoze nap snoozeThese words all mean to rest with your eyes closed and your mind and body not active.sleep to rest with your eyes shut and your mind and body not active:Did you sleep well? I couldn’t sleep last night. It is more usual to say that somebody is asleep than that they are sleeping; but if you use an adverb to say how they are sleeping, use sleeping:‘What’s Ashley doing?’ ‘Sh! She’s asleep.’ The baby was sleeping peacefully. The baby was asleep peacefully.doze to sleep lightly, waking up easily, often when you are not in bed:He was dozing in front of the TV.nap to sleep for a short time, especially during the day.snooze (informal) to sleep lightly for a short time, especially during the day and usually not in bed:My brother was snoozing on the sofa.Patterns to sleep/​doze lightly/​fitfully to doze/​snooze gently compare siesta see also catnap, power nap
  2. 2[singular] the short fine threads on the surface of some types of cloth, usually lying in the same direction
  3. 3[countable] (British English) advice given by an expert on which horse is most likely to win a race
  4. Word Originnoun sense 1 Old English hnappian, probably of Germanic origin. noun sense 2 late Middle English noppe, from Middle Dutch, Middle Low German noppe ‘nap’, noppen ‘trim the nap from’. noun sense 3 early 19th cent.: abbreviation of napoleon, the original name of the card game.
See the Oxford Advanced American Dictionary entry: nap