/'bænɪstə(r); `bænɪstɚ/
n (usu pl 通常作复数) handrail of a stair and the upright poles supporting it 楼梯的扶手及其支柱
*children sliding down the banister(s) 沿楼梯扶手往下滑的孩子们. =>illus at staircase 见staircase之插图.

n[C]
banister, stair, step
[Date: 1600-1700; Origin: baluster 'one of the sticks of a banister' (17-21 centuries), from French balustre, from Italian balaustro; BALUSTRADE]
a row of wooden posts with a bar along the top, that stops you from falling over the edge of stairs