プログレッシブ和英中辞典(第３版)の解説
かいうん【海運】
(merchant) shipping; marine transportation
海運界｜maritime [shipping] circles
海運業｜the shipping trade [business]; the marine transportation business
海運業者｜a shipping agent
海運同盟｜a freight conference
海運取り引き所｜a shipping exchange