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The entire body of salt water that covers more than 70 percent of the earth's surface.
(noun)
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Any of the principal divisions of the ocean, including the Atlantic, Pacific, Indian, Arctic, and Antarctic oceans.
(noun)
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A great expanse or amount: "that ocean of land which is Russia” ( Henry A. Kissinger).
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.