/ Dictionary / Index B bromelain: Meaning and Definition of Find definitions for: bro•me•lain Pronunciation: (brō'mu-lun, -lān"), [key] — n. Biochem. an enzyme, found in pineapple, that breaks down protein and is used as a meat tenderizer. Cf. papain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bromegrass bromeliad Related Content Daily Word Quiz: ingenuity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language