ocean - definition and synonyms


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  1. 1
    [countable] one of the large areas of salt water that cover most of the Earth

    the Atlantic/Pacific/Indian Ocean

  2. 2
    [countable] informal a very large amount of something
    ocean of:

    Park there, you’ve got oceans of space.

  3. 3

    the ocean

    mainly American a large area of salt water that lies along the coast of a country. The usual British word is the sea.
See also