1660s, unexplained corruption of baluster. As late as 1830 condemned as "vulgar," it is now accepted. Surname Bannister is from Old French banastre "basket," hence, "basket-maker."
中文解释
1. ban + -ister => 阻止你掉下去的东西，保护你安全的东西。=》 (楼梯)扶手; 栏杆。2. Banister：帮你是它，帮你捡回一条命的是它，没有它你就掉下去摔死了----栏杆。
实用例句
1. She grasped hold of the banister to support herself.
她抓住楼梯扶手以支撑住自己的身体.
来自《简明英汉词典》
2. The boys amused themselves by sliding down the banister.
男孩们从楼梯扶手滑下以取乐.
来自辞典例句
3. He arched over the banister to grab her hand.
他拱起身子越过栏杆去抓她的手.
来自互联网
4. A whippoorwill came in and sat on the banister and sung.