/ Dictionary / Index B barm: Meaning and Definition of Find definitions for: barm Pronunciation: (bärm), [key] — n. yeast formed on malt liquors while fermenting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barm (Thesaurus) barlow bar magnet Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language