/ Dictionary / Index S sea bag: Meaning and Definition of Find definitions for: sea' bag" Pronunciation: [key] a tubular canvas bag closed by a drawstring, used by a sailor for gear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seabag (Thesaurus) sea anemone sea bass Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language