rev (r?v) Informal n. A revolution, as of a motor.v. revved, rev·ving, revs v.tr.1. a. To increase the speed of (a motor, for example): revved the engine.b. To accelerate or increase: orders to rev up factory output.2. To make livelier or more productive: revving ourselves up for the game; efforts to rev the economy.v.intr.1. To operate at an increased speed: heard the motors revving.2. To accelerate in quantity or activity.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.rev (r?v) n (Automotive Engineering) revolution per minute: the engine was doing 5000 revs. vb, revs, revving or revved (Automotive Engineering) (often foll by up) to increase the speed of revolution of (an engine)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014rev (r?v) n., v. revved, rev?ving. n. 1. a revolution of the crankshaft or other rotating part within an engine. v.t. 2. to accelerate sharply the speed of (an internal-combustion engine), esp. while the clutch is disengaged (often fol. by up). v.i. 3. (of an engine) to accelerate; become revved (often fol. by up). 4. rev up, a. to increase in activity or speed; accelerate sharply: The economy began to rev up. b. to stimulate or stir up; excite. [1900?05; short for revolution] Rev. 1. Revelation; Revelations. 2. Reverend. rev. 1. revenue. 2. reverse. 3. review; reviewed. 4. revise; revised. 5. revision. 6. revolution. 7. revolving. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.rev – An abbreviation of revolution.See also related terms for revolution.Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.revPast participle: revvedGerund: revvingImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativerevrevPresentI revyou revhe/she/it revswe revyou revthey revPreteriteI revvedyou revvedhe/she/it revvedwe revvedyou revvedthey revvedPresent ContinuousI am revvingyou are revvinghe/she/it is revvingwe are revvingyou are revvingthey are revvingPresent PerfectI have revvedyou have revvedhe/she/it has revvedwe have revvedyou have revvedthey have revvedPast ContinuousI was revvingyou were revvinghe/she/it was revvingwe were revvingyou were revvingthey were revvingPast PerfectI had revvedyou had revvedhe/she/it had revvedwe had revvedyou had revvedthey had revvedFutureI will revyou will revhe/she/it will revwe will revyou will revthey will revFuture PerfectI will have revvedyou will have revvedhe/she/it will have revvedwe will have revvedyou will have revvedthey will have revvedFuture ContinuousI will be revvingyou will be revvinghe/she/it will be revvingwe will be revvingyou will be revvingthey will be revvingPresent Perfect ContinuousI have been revvingyou have been revvinghe/she/it has been revvingwe have been revvingyou have been revvingthey have been revvingFuture Perfect ContinuousI will have been revvingyou will have been revvinghe/she/it will have been revvingwe will have been revvingyou will have been revvingthey will have been revvingPast Perfect ContinuousI had been revvingyou had been revvinghe/she/it had been revvingwe had been revvingyou had been revvingthey had been revvingConditionalI would revyou would revhe/she/it would revwe would revyou would revthey would revPast ConditionalI would have revvedyou would have revvedhe/she/it would have revvedwe would have revvedyou would have revvedthey would have revvedCollins English Verb Tables © HarperCollins Publishers 2011