Atlantic Ocean: Meaning and Definition of

Atlan'tic O'cean

1. an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km); greatest known depth, 30,246 ft. (9219 m).