smoke signal
"Smoke signals" are one of the oldest forms of long-distance communication, historically used by various cultures to convey messages and alerts.
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Definition
B2Historical Communication
(historical, cultural)A method of conveying messages over long distances using columns or puffs of smoke, often employed by ancient and indigenous societies.
Example
- Native American tribes used smoke signals to send messages across vast distances.
- The ancient Chinese utilized smoke signals to warn of incoming invasions.
C1Modern Usage
(idiomatic)An indirect message or indication, often hinting at future events or intentions.
Example
- The CEO's comments were seen as a smoke signal about the company's future plans.
- Politicians often send smoke signals to test public reaction before making official announcements.
B2Emergency Signaling
(technical)A visual signal created by releasing smoke, typically used to indicate distress or call for help.
Example
- The stranded hikers used a smoke signal to attract the attention of a rescue helicopter.
- In case of an emergency, deploy the smoke signal to mark your location.
Similar
Terms that have similar or relatively close meanings to "smoke signal":
smoke bombsmoke blowerdistress signalsmoke treewhite smokesemaphore signalsmoke upsmoke outwhite smokersmoke test