1.
on the sea; maritime; marine
Relating to or occurring on the surface of the sea, often used in compound words relating to maritime activities.
海上保安庁。
Japan Coast Guard.
Related Words
Antonym:
陸上 (on land)
Related:
航海 (voyage, navigation)
Compare:
湖上 (on the lake)
Compare:
洋上 (on the sea)