ロケット弾だん発はっ射しゃ機きロケットだんはっしゃきMeanings1nounrocket launcherrare termA device for launching rockets, typically military. This term is rare; the more common word is ロケットランチャー.軍ぐん事じ博はく物ぶつ館かんに旧きゅう式しきのロケット弾だん発はっ射しゃ機きが展てん示じされていた。An old-fashioned rocket launcher was on display at the military museum.