名詞 banister:

1. a railing at the side of a staircase or balcony to prevent people from falling
   同義詞：bannister, balustrade, balusters, handrail

banister 也作 ban.nis.ter

n.（名詞）
A handrail, along with all of its supporting structures.
欄桿，扶手：與其所有的支持結(jié)構(gòu)相連接的扶手
One of the vertical supports of a handrail on a staircase.
樓梯欄桿小柱：樓梯扶手的垂直支撐之一

來源：
Variant of baluster
baluster的變體