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1)
#30,427
Meaning
    1. beacon; skyrocket; signal fire; smoke signals
      Back then, people communicated using smoke signals.
    2. starting shot; starting signal
      Only applies to のろし
    1. EN The smoke signal is one of the oldest forms of long-distance communication.
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3)
#58,707

Inflections of 狼煙を上げる

Meaning
    1. to start a signal fire; to use a smoke signal
    2. to initiate an action; to start a campaign
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