- banister⇄banister, noun.
1. balustrade.
2. one of the supports of a balustrade; baluster. Also, bannister. - banister⇄expr. banisters, the handrail of a staircase, balcony, or terrace, and its row of supports; balustrade.
Ex. He held fast by the banisters as he descended the stairs (Wilkie Collins).