idiot light
noun
: a colored light on an instrument panel (as of an automobile) designed to give a warning (as of low oil pressure)
Word History
First Known Use
1966, in the meaning defined above
Dictionary Entries Near idiot light
Cite this Entry
“Idiot light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/idiot%20light. Accessed 9 Dec. 2023.
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