A map, with the Indian Ocean in dark blue



  • One of the large bodies of water separating the continents.
  • Water belonging to an ocean.
  • An immense expanse; any vast space or quantity without apparent limits.
  • A blue colour, like that of the ocean (also called ocean blue).


Similar words

Narrower meaning words


  • From Middle English *ocean, occean, occian, occyan, from Old French occean (later reborrowed or reinforced by Middle French ocean), from Latin Ōceanus, originally from Ancient Greek Ὠκεανός ("Oceanus"). Displaced native .
  • Also commonly referred to as the ocean sea, the sea of ocean (compare Latin mare ōceanum; Old French mer oceane, occeanne mer). Compare Saterland Frisian Oceoan ("ocean"), West Frisian oseaan ("ocean"), Dutch oceaan ("ocean"), German Low German Ozeaan ("ocean"), German Ozean ("ocean"), Danish ocean ("ocean"), Swedish ocean ("ocean"), French océan ("ocean"), Italian oceano ("ocean").

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