/ Dictionary / Index S South Sea Islands: Meaning and Definition of Find definitions for: South' Sea" Is'lands Pronunciation: [key] the islands in the S Pacific Ocean. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. South San Francisco South Seas Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language