smoke signalsmoke signal
a signal, consisting of a column of smoke, that is visible across great distances
- Alternative spelling of smoke signal.
(plural smoke signals)
- (often pluralized) A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke.
- (idiomatic, often pluralized) An indirect message or indication, especially concerning a future event.
- A type of flare or combustion device sometimes used as a distress signal.