/ Dictionary / Index B barley water: Meaning and Definition of Find definitions for: bar'ley wa"ter Pronunciation: [key] a decoction of barley, used esp. in the treatment of diarrhea in infants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. barley sugar bar line 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