spoiler
vehicle part
Quick Summary
A spoiler is a device designed to reduce lift or increase drag. In aviation, it's a plate on an airplane wing that can be raised to decrease lift and increase drag. For automobiles, a spoiler is an air deflector that prevents the vehicle from lifting off the road at high speeds. A "thrust spoiler" specifically reduces the thrust of a jet engine by deflecting exhaust gases. The term can also refer to information that reveals a plot's surprise or suspense, or a person who shares such information.12
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