Pronunciation Noun

sea (plural seas)

  1. A large body of salt water.
    Synonyms: ogin
    1. The ocean; the continuous body of salt water covering a majority of the Earth's surface.
      • 1611, King James Bible, Leviticus 11:9 ↗
        These shal ye eat, of all that are in the waters: whatsoeuer hath finnes and scales in the waters, in the seas, and in the riuers, them shall ye eate.
    2. A body of salt water smaller than an ocean, generally forming part of, or connecting with, an ocean or a larger sea.
      The Mediterranean Sea, the Caribbean Sea, the Sea of Crete, etc.
  2. A lake, especially if large or if salty or brackish.
    The Caspian Sea, the Sea of Galilee, the Salton Sea, etc.
  3. The swell of the sea; a single wave; billow.
    • 2020 June 8, National Weather Service Boston, 2:38 PM EDT marine forecast
      High pressure will maintain light winds and flat seas through Tue night. ... Potential for briefly choppy 3 ft seas near South Coast...
  4. (attributive, in combination) Living or used in or on the sea; of, near, or like the sea.
    Seaman, sea gauge, sea monster, sea horse, sea level, seaworthy, seaport, seaboard, etc.
  5. (figurative) Anything resembling the vastness or turbulence of the sea.
  6. (physics) A constant flux of gluons splitting into quarks, which annihilate to produce further gluons.
  7. (planetology) A large, dark plain#Etymology 3|plain of rock; a mare#Etymology 3|mare.
    The Apollo 11 mission landed in the Sea of Tranquility.
  8. (planetology) A very large lake of liquid hydrocarbon.
Proper noun
  1. (sports) Abbreviation of Seattle#English|Seattle.
  2. Initialism of Southeast Asia
  3. Initialism of Single European Act

Proper noun
  1. Surname

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