/ Dictionary / Index R Ross Sea: Meaning and Definition of Find definitions for: Ross' Sea' Pronunciation: [key] an arm of the Antarctic Ocean, S of New Zealand, extending into Antarctica. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rossiya Rostand Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language