ほうえんだんう 砲煙弾雨 LinksSentence search for 砲煙弾雨Sentence search for ほうえんだんうKanji details for 砲, 煙, 弾 and 雨Edit in JMdict Noun1. the smoke of guns and a rain of bullets or shellsYojijukugo (four character compound) Discussions Log in to talk about this word.