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ocean

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noun \ˈō-shən\

Simple Definition of ocean

  • : the salt water that covers much of the Earth's surface

  • : one of the five large areas of salt water that cover much of the Earth's surface

  • : a very large number or amount of something

Full Definition of ocean

  1. 1 a :  the whole body of salt water that covers nearly three fourths of the surface of the earth b :  any of the large bodies of water (as the Atlantic Ocean) into which the great ocean is divided

  2. 2 :  a very large or unlimited space or quantity

Examples of ocean

  1. We've sailed across hundreds of miles of ocean.

  2. the Pacific and Indian oceans



Origin of ocean

Middle English occean, from Anglo-French, from Latin oceanus, from Greek Ōkeanos, a river thought of as encircling the earth, ocean


First Known Use: 14th century

Other Oceanography Terms

Rhymes with ocean




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