Pronunciation: (rev), [key]
—n., v., revved, rev•ving. Informal.
a revolution (in an engine or the like).
to accelerate sharply the speed of (an engine or the like) (often fol. by up).
1. (of an engine) to accelerate; become revved (often fol. by up).
2. rev up,to increase in strength or accelerate sharply: The economy is beginning to rev up.
1. Revelation; Revelations.
5. revise; revised.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.