WordReference Random House Learner's Dictionary of American English © 2017
rev /rɛv/USA pronunciation   n., v.,  revved, rev•ving. [Informal.]
n. [countable]
  1. Informal Termsa revolution of the crankshaft within an engine.

v. 
  1. Informal Termsto (cause to) go faster sharply, such as a car, etc.: [+ object (+ up)]He revved the race car (up).[~ (+ up) + object]The racers revved (up) their engines.[no object;  ~ + up]The two cars revved up at the traffic light.
  2. to increase in activity or speed:[no object;  ~ + up]The economy began to rev up.

WordReference Random House Unabridged Dictionary of American English © 2017
rev  (rev),USA pronunciation  n., v.,  revved, rev•ving. [Informal.]
n. 
  1. Informal Termsa revolution (in an engine or the like).

v.t. 
  1. Informal Termsto accelerate sharply the speed of (an engine or the like) (often fol. by up).

v.i. 
  1. Informal Terms(of an engine) to accelerate;
    become revved (often fol. by up).
  2. Informal Termsrev up, to increase in strength or accelerate sharply:The economy is beginning to rev up.
  • short for revolution 1900–05

Rev., 
  1. BibleRevelation;
    Revelations.
  2. ReligionReverend.

rev., 
  1. revenue.
  2. reverse.
  3. review.
  4. reviewed.
  5. revise;
    revised.
  6. revision.
  7. revolution.
  8. revolving.


Collins Concise English Dictionary © HarperCollins Publishers::

rev /rɛv/ informal n
  1. revolution per minute
vb (revs, revving, revved)
  1. (often followed by up) to increase the speed of revolution of (an engine)



Rev. abbreviation for
  1. Revelation
  2. Reverend



rev. abbreviation for
  1. revenue
  2. reverse(d)
  3. review
  4. revise(d)
  5. revision
  6. revolution
  7. revolving



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