海かい兵へい隊たいかいへいたいCommon word›Meanings1nounMarine Corps; Royal MarinesRefers to a marine corps, most commonly the United States Marine Corps or the British Royal Marines. Often used in news contexts.アメリカ海かい兵へい隊たいは太たい平へい洋よう地ち域いきで訓くん練れんを行おこなった。The U.S. Marine Corps conducted training in the Pacific region.