Dictionary/投降とうこうToukou投降 (Toukou) is a Japanese noun meaning “surrender”.Meaningsnoun, suru verb, intransitive verbsurrenderKanji in 投降投throw降descendRelated words下るto descend降りるto descend (e.g. a mountain)降るto fall (of rain, snow, ash, etc.)投げるto throw下すto make a decision下ろすto take down投資investment以降on and after飛び降りるto jump down投与administration (of medicine)投票voting降伏surrender