人にん間げん魚ぎょ雷らいにんげんぎょらいMeanings1nounhuman torpedo; manned torpedo; suicide submarinehistorical termHistorical term referring to a Japanese WWII weapon, specifically the Kaiten (回天) manned torpedo. Used in historical contexts.See also: 回天人にん間げん魚ぎょ雷らいは