- An indication given to another person.
- (of a radio, TV, telephone, internet, etc) An electrical or electromagnetic action, normally a voltage that is a function of time that conveys the information of the radio or TV program or of communication with another party.
verb (signals, signalling (UK) or signaling (US), signalled (UK) or signaled (US))
- I cannot get a .
- An on-off light or semaphore.
Etymology: From French, signal.
- To indicate.
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Full Definition of signal