Ecklonia buccinalis, a large blackish seaweed of the Southern Ocean, having a hollow and expanding stem and a pinnate frond. / Any large marine univalve shell of the genus Triton.

(nautical) A body of ocean water such as a channel.

The area of the western Pacific Ocean bounded by the Sulu Sea, the island of Borneo, the Sangihe Islands and Sulawesi.

A sea in British Isles, Europe, in the Atlantic The area of the Atlantic Ocean off the south coast of Ireland bounded by Saint George's Channel, the Bristol Channel, the English Channel, and the Bay of Biscay.

plural of sea king

(historical) One of the Norse leaders who roved the seas in search of plunder and adventures; a Norse pirate chief.

(nautical) Alternative form of seacock / The black-bellied plover, Pluvialis squatarola. / A gurnard, such as the European red gurnard (Trigla pini).

plural of sea rat

A fish, the chimaera. / A pirate.

plural of sea acorn