smoke signal


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smoke signal

[′smōk ‚sig·nəl]
(ordnance)
A pyrotechnic item designed to produce a sign by means of smoke and used, for example, to provide identification, location, or warning.
References in periodicals archive ?
Most tribes had their own secret smoke signal systems.
Joe and I sent smoke signal, shot the s**t and chewed the fat for the last year.
SMOKING should be banned in public places (City Gets Set toSend A Smoke Signal,ECHO,Jan 22).
The smoke signal seems to work in some other species, but it doesn't explain the germination of all fire-adapted plants, says Keeley.
The contract exercises a fiscal 2014 option for 14-18 Hydra-70 Rocket System, which includes M151 high explosive rockets, M255A1 rockets and M274 smoke signal practice rockets.
Contract notice: The cover of smoke grenades and smoke signal.