クルムホルンクルムホルンMeanings1nounkrummhorn; crumhornA Renaissance woodwind instrument with a curved end and a double reed enclosed in a cap.from German Krummhornクルムホルンはルネサンス音おん楽がくでよく使つかわれた楽がっ器きです。The krummhorn is an instrument often used in Renaissance music.