/ Dictionary / Index R Ross Dependency: Meaning and Definition of Find definitions for: Ross' Depend'ency Pronunciation: [key] a territory in Antarctica, including Ross Island, the coasts along the Ross Sea, and adjacent islands: a dependency of New Zealand. ab. 175,000 sq. mi. (453,250 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rossby Rossel Current Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language