Ocean - definition of ocean by The Free Dictionary
https://www.thefreedictionary.com/ocean
ocean ( ˈəʊʃən) n 1. (Physical Geography) a very large stretch of sea, esp one of the five oceans of the world, the Atlantic, Pacific, Indian, Arctic, and Antarctic 2. (Physical Geography) the body of salt water covering approximately 70 per cent of the earth's surface 3. a huge quantity or expanse: an ocean of replies. 4. literary the sea
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