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
Net Value Playa Del Rey Adam Fox of the nonprofit Marine Animal Rescue swoops in to capture a sea lion that had been attacked by a shark.
The device was recently used by scientists to capture footage of fluorescent sea turtles in the pitch-black ocean near the Solomon Islands.
Stir in the vinegar and lime juice, then season to taste with sea salt.
The highest point is Borah Peak at 12,662 above sea level.
Unwanted fish can no longer be discarded at sea, which has helped to reverse the depletion of stocks.
More than 2,000 have drowned crossing the Mediterranean Sea, and the summer peak season for sea crossings is just starting.
Just in the past couple of months, there have been repeated confrontations on the sea, from the Chinese and the Iranians in particular.
Before and after this all-American barbecue dinner, bond with the sea creatures guilt-free—there’s no seafood on the menu.
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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