Definition of idiot light in English:
nounNorth American informal
A warning light that goes on when a fault occurs in a device.
- The idiot light for Foxtrot Base just turned red; they are surrounded.
- For providing an easy-to-use ‘security idiot light’ to Linux system administrators and distributions everywhere, Nmap, we salute you.
- Other than this high-tech version of a car's idiot light, I saw no other symptoms.
Definition of idiot light in:
- US English dictionary
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