DictionaryseaSalt-water expanse
noun

sea

SEE/siː/

A great expanse of salt water.

Gentle waves ripple across the blue sea between rocky coastlines.

Wide blue saltwater sea between distant rocky coastlines, gentle waves and shoreline foreground, no text.
Etymology

Old English sæ covered lakes and pools as well as salt-water expanses. The selected meaning preserves its use for a large, bounded body of salt water, rather than the ancestor's broader range.

In context

MooMooMath and Science0:13
It is semi-enclosed, coastal body of water, and it's connected to the open sea, and also, the salt water is diluted when fresh water from land drains into it.
What is an estuary?

More examples

  • The ship crosses the Mediterranean Sea in three days.
  • Many rivers carry fresh water to the sea.
  • She searches the sea of faces for her brother.

Forms

sea · seas

seaward adverb — Toward or in the direction of the sea.

Similar words

ocean
Usually names a larger division of Earth's salt water.
waters
Refers collectively to water in an area, not necessarily saltwater.