American Heritage® Dictionary of the English Language, Fourth Edition
- n. Slang A light on the instrument panel of a motor vehicle that gives forewarning, as of an overheated engine.
- n. idiomatic Any warning light or indicator on the dashboard of a car, designed to alert the driver of problems, such as the parking brake being on or the oil being low.
- n. a colored warning light on an instrument panel (as for low oil pressure)
Sorry, no example sentences found.
‘idiot light’ hasn't been added to any lists yet.
Looking for tweets for idiot light.