Noun rev has 1 sense
  1. revolutions per minute, rpm, rev - rate of revolution of a motor; "the engine was doing 6000 revs"
    --1 is a kind of rate
    Derived form: verb rev1
,Verb rev has 1 sense
  1. rev up, rev - increase the number of rotations per minute; "rev up an engine"
    --1 is one way to increase
    Derived form: noun rev1
    Sample sentence:
    Somebody ----s something