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Definition of ocean:

  1. An immense expanse; any vast space or quantity without apparent limits; as, the boundless ocean of eternity; an ocean of affairs.
  2. Of or pertaining to the main or great sea; as, the ocean waves; an ocean stream.
  3. One of the large bodies of water into which the great ocean is regarded as divided, as the Atlantic, Pacific, Indian, Arctic and Antarctic oceans.
  4. The whole body of salt water which covers more than three fifths of the surface of the globe; - called also the sea, or great sea.


oceanic, mare, Indian, North Atlantic, great sea, South Atlantic, big pond, Oceanus, Neptune, seashore, the cradle of the deep, beach, the mighty deep, shores, marine, salt water, Antarctic, the Seven Seas, seaside, Arctic, naval, maritime, South Pacific, the great waters, Pacific, the main, briny deep, nautical, high seas.

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