(obsolete) The walrus. / Any of various small marine fish of the genus Hippocampus that have a horselike head and swim upright.

a nautical mile

A marginal sea of the Atlantic Ocean between Britain (in the west), Scandinavia (in the east) and Germany, Netherlands, Belgium and France (in the south).

A sea in northern Europe, connected to the Atlantic.

The sea that stretches from the Ionian Sea to the Gulf of Venice. It is located between the Italian and Balkan peninsulas.

Alternative spelling of seawolf

(idiomatic) Ocean conditions that are very windblown and messy, possibly to the point of being inimical to surfing and other watersports.

Any unidentified sea monster, especially one resembling a snake or dragon.

An inland sea in Indonesia that is part of the Pacific Ocean and is between the islands of Buru and Ceram.

A sea north of the island of Java in Indonesia and south of Borneo.