A coastal town in Essex, England, United Kingdom, on the Thames estuary / A unitary authority with borough status in Essex.

The oceans of the earth at a time early in its history. The term generally implies either the time before or during the development of multi-cellular life forms (i.e., during the Precambrian), or alternatively before the development of the first land-based life forms (i.e. during the early Paleozoic).

(Britain, colloquial, archaic) A herring. / (literally) One who roams about the ocean much of the time. / A pirate, buccaneer or privateer; an ocean-going marauder.

Alternative spelling of seabed

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

(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

plural of sea lamprey

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

plural of sea bluebell