Dictionary/循環器じゅんかんきJunkanki循環器 (Junkanki) is a Japanese noun meaning “circulatory organ”.Meaningsnouncirculatory organKanji in 循環器循sequential環ring器utensilRelated words凶器dangerous weapon武器weapon機械machine指輪(finger) ring環境environment器bowl不器用clumsy輪ring器用skillful臓器internal organs楽器musical instrument兵器arms