海かい上じょう保ほ険けんかいじょうほけんMeanings1nounmaritime insurance; marine insuranceInsurance covering loss or damage of ships, cargo, and related interests during sea transport.輸ゆ出しゅつ貨か物もつには海かい上じょう保ほ険けんをかける必ひつ要ようがある。It is necessary to take out maritime insurance on export cargo.