轟ごう発はつ

noun, noun or participle which takes 'suru', intransitive verb

loud explosion; thunderous blast

Rare term for a loud, roaring explosion. Used as a noun or intransitive suru-verb.

• 古ふるい文ぶん献けんには、火か薬やく庫こが轟ごう発はつしたと記しるされている。

  Old documents record that the powder magazine exploded with a thunderous roar.

noun, noun or participle which takes 'suru', transitive verb

firing with a loud bang

Rare term for firing a cannon or similar weapon with a loud report. Used as a noun or transitive suru-verb.

• 城しろ攻ぜめの際さい、大たい砲ほうを轟ごう発はつさせたという記き述じゅつがある。

  There is a description that they fired cannons with a thunderous roar during the siege.