n.
Pronunciation: ' ō -sh ə n
Function: noun
Usage: often attrib
Etymology: Middle English occean, from Anglo-French, from Latin oceanus, from Greek Ō keanos, a river thought of as encircling the earth, ocean
Date: 14th century
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 : a very large or unlimited space or quantity