/ Dictionary / Index S South Seas: Meaning and Definition of Find definitions for: South' Seas' Pronunciation: [key] the seas south of the equator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. South Sea Islands South Shetland Islands 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