/ Dictionary / Index B banister: Meaning and Definition of Find definitions for: ban•is•ter Pronunciation: (ban'u-stur), [key] — n. a baluster. Sometimes,the balustrade of a staircase. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: banister (Thesaurus) banish banister back 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