/ Dictionary / Index B balun: Meaning and Definition of Find definitions for: bal•un Pronunciation: (bal'un), [key] — n. Elect. a device for converting a balanced line into an unbalanced line and vice versa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baluchithere baluster Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language