Meaning of signal
Pronunciation: (sig'nl), [key]
— n., adj., v., -naled, -nal•ing -nalled, -nal•ling.
- anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, an act, etc.: a traffic signal; a signal to leave.
- anything agreed upon or understood as the occasion for concerted action.
- an act, event, or the like that causes or incites some action: The unjust execution was the signal for revolt.
- a token; indication.
- an electrical quantity or effect, as current, voltage, or electromagnetic waves, that can be varied in such a way as to convey information.
- a play that reveals to one's partner a wish that he or she continue or discontinue the suit led.
- serving as a signal; used in signaling: a signal flag.
- unusual; notable; outstanding: a signal exploit.
- to make a signal to.
- to communicate or make known by a signal.
- to make communication by a signal or signals.
- signal (Thesaurus)