Definition of sea
1a : a great body of salt water that covers much of the earth; broadly : the waters of the earth as distinguished from the land and airb : a body of salt water of second rank more or less landlocked the Mediterranean seac : oceand : an inland body of water —used especially for names of such bodies the Caspian Sea
2a : surface motion on a large body of water or its direction; also : a large swell or wave —often used in plural heavy seasb : the disturbance of the ocean or other body of water due to the wind
3 : something likened to the sea especially in vastness a sea of faces
4 : the seafaring life
5 : 3mare
: to or on the open waters of the sea
Examples of sea in a Sentence
the seas of the Southern Hemisphere
millions of plants and animals live in the sea
Recent Examples of sea from the Web
A conservative group in Chancellor Angela Merkel’s party is urging a change of approach to climate change, arguing that the melting of sea ice could carry more opportunities than problems.
After a weak La Niña episode this past winter, sea surface temperatures in the equatorial Pacific have been gradually warming.
Here’s a bunch of free, fun stuff to do in Huntsville this summer to help keep your checking account balance above sea level.
Soaring some 5.5 miles above sea level, Everest's air at its peak can't sustain life for more than a few hours.
More than 53,000 migrants have entered Europe by sea since the start of the year, with 85 percent arriving in Italy, often via Sicily and nearby Lampedusa, the country’s southernmost island.
It’s all hands on deck aboard the Star of India as sailors hone their shipboard skills to the cadence of songs recounting the adventure, tragedy and romance of life at sea.
They are joined by Sparrow and pursued by old and new enemies: the British Navy; the greedy pirate Hector Barbossa (Geoffrey Rush); and an army of ghouls led by the spectral Captain Salazar (Javier Bardem), known as the butcher of the sea.
The lowest airfield in North America, for the record, is Furnace Creek Airport, Death Valley at minus 210 feet below sea level.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of sea
Middle English see, from Old English sǣ; akin to Old High German sē sea, Goth saiws
First Known Use: before 12th centurySee Words from the same year
SEA Defined for English Language Learners
Definition of sea for English Language Learners
: the salt water that covers much of the Earth's surface ( literary )
: a large body of water that is part of the sea or that has land around part or all of it
: an area of the sea
SEA Defined for Kids
Seen and Heard
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