- n. 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.
- n. idiomatic, often pluralized An indirect message or indication, especially concerning a future event.
- n. A type of flare or combustion device sometimes used as a distress signal.
Sorry, no example sentences found.
Looking for tweets for smoke signal.