/ Dictionary / Index S sea purse: Meaning and Definition of Find definitions for: sea' purse" Pronunciation: [key] the horny egg case of certain rays and sharks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sea power sea puss Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language