banister
🇺🇸
/ˈbænɪstər/
🇬🇧
/ˈbænɪstə(r)/
A railing along the side of a staircase that you can hold onto for support.
The little girl held onto the banister as she carefully walked down the stairs.
小女孩紧紧抓住扶手,小心翼翼地走下楼梯。