/ Dictionary / Index A Antarctica: Meaning and Definition of Find definitions for: Ant•arc•ti•ca Pronunciation: (ant-ärk'ti-ku, -är'ti-), [key] — n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antarctica (Thesaurus) antarctic Antarctic Circle Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language