Synonyms for banister in the sense of this definition

• balusters
• balustrade
• bannister
• handrail

(banister is a kind of ...) a structure or object that impedes free movement

• barrier

(banister is a part of ...) one of a number of closely spaced supports for a railing

• baluster

(banister is a part of ...) a barrier consisting of a horizontal bar and supports

• rail
• railing

(... is part of banister) a platform projecting from the wall of a building and surrounded by a balustrade or railing or parapet

• balcony