SIGNAL

Definition of SIGNAL

  1. (noun)any nonverbal action or gesture that encodes a message
  2. (noun)any incitement to action
  3. (noun)an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
  4. (verb)communicate silently and non-verbally by signals or signs
  5. (verb)be a signal for or a symptom of
  6. (adj)notably out of the ordinary