jake brake
Definition from Wiktionary, the free dictionary
Contents
English[edit]
Etymology[edit]
From JakeBrake, a brand name for compression brakes, from the surname Jacobs.
Noun[edit]
jake brake (plural jake brakes)
- (slang) Especially on trucks, an engine compression brake that closes the valves in an engine in order to slow the vehicle; an engine retarder.
