/ Dictionary / Index V vegetable sponge: Meaning and Definition of Find definitions for: veg'etable sponge" Pronunciation: [key] loofah (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vegetable silk vegetable tallow Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language