rev

[rev] /rɛv/
noun
1.
a revolution (in an engine or the like).
verb (used with object), revved, revving.
2.
to accelerate sharply the speed of (an engine or the like) (often followed by up).
verb (used without object), revved, revving.
3.
(of an engine) to accelerate; become revved (often followed by up).
Verb phrases
4.
rev up, to increase in strength or accelerate sharply:
"The economy is beginning to rev up."
Origin
1900–05; short for revolution
British Dictionary definitions for revving up
rev (rɛv)
 
n
1.  revolution per minute: the engine was doing 5000 revs
 
vb , revs, revving, revved
2.  (often foll by up) to increase the speed of revolution of (an engine)

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin and History for revving up
rev
1916, from earlier noun (1901), shortening of revolution, in reference to the internal combustion engine.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for revving up

rev

v,v phr
  1. To speed up a motor; increase the rpms (1916+)
  2. To stir up; stimulate; enliven; JAZZ something UP : seems to think he has to really rev his prose every now and again (1956+)

Dictionary of American Slang
Copyright © 1986 by HarperCollins Publishers
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Related Abbreviations for revving up

Rev

Reverend
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Difficulty index for revving up

Few English speakers likely know this word

Tile value for revving

14
18
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