プログレッシブ和英中辞典(第4版)の解説
のろし【▲狼▲煙・×烽▲火】
&fRoman1;〔合図の火煙〕a signal fire; a beacon; a (signal) rocket
のろしを上げて居所を知らせた
They made known their position by 「lighting a signal fire [lighting a beacon/firing a rocket].
&fRoman2;〔きっかけの行動〕
反核運動ののろしを上げた
They started [launched] a campaign against nuclear weapons.