(nautical) plural of narrow sea / (nautical, law, UK) Those seas (bodies of ocean water) which surround the British Isles, especially the English Channel.

(law) The doctrine, widely recognized in international law, that, outside of narrow territorial limits, the oceans are open to unhindered navigation by vessels of all countries.

plural of inland sea

plural of green sea

plural of head sea

plural of mediterranean sea

plural of open sea

plural of territorial sea

A series of marginal seas in the Western Pacific Ocean around China, including the Yellow Sea, the East China Sea and the South China Sea.

plural of primordial sea