発はっ砲ぽう音おんMeaningsNoun1. sound of a shot; gunfireKanji used発let out砲cannon音soundComposed of発はっ砲ぽうfiring; discharge of gunNoun音おんsound; noise; (speech) sound; Chinese-derived reading of a kanjiNounExamples1発はっ砲ぽう音おんを聞きいて、警けい察さつがすぐにやって来きた。The police came as soon as they heard the gunfire.