any nonverbal action or gesture that encodes a message; signals from the boat suddenly stopped

[ Syn: signaling , sign ]

any incitement to action; he awaited the signal to start; the victory was a signal for wild celebration'

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

notably out of the ordinary; the year saw one signal triumph for the Labour party'

communicate silently and non-verbally by signals or signs; He signed his disapproval with a dismissive hand gesture; The diner signaled the waiters to bring the menu

[ Syn: sign , signalize , signalise ]

be a signal for or a symptom of; These symptoms indicate a serious illness; Her behavior points to a severe neurosis; The economic indicators signal that the euro is undervalued

[ Syn: bespeak , betoken , indicate , point ]