smoke signal の英語での意味

smoke signalˈsmoke ˌsignal noun [countable] すべての翻訳を見る a message sent out to people who are far away, using the smoke from a fire, used especially by Native Americans in past times火の煙を使って遠くにいる人々に送るメッセージ。特に昔の北米先住民が用いた方法。