(dated) Alternative spelling of sea cow / (South Africa, dated) Hippopotamus.

(obsolete) a ship designed to tend to the needs of seaplanes, floatplanes and flying boats at sea, for resupply, refueling, sometimes including catapult launch

A lake in northern Israel, located about 15 miles (24 km) northeast of the ancient city of Nazareth.

(idiomatic) Between undesirable alternatives.

Sea, ocean, open sea.

(idiomatic, nautical) The ability, when walking aboard a ship, to anticipate the motion of the deck so as to walk steadily without losing balance.

plural of sea serpent

(US, law) A search of someone's body or property conducted by law enforcement personnel without the issuance of a search warrant.

plural of sea lamprey

A parasitic lamprey found in Europe and North America, Petromyzon marinus.