sconce
n. 壁突式烛台,<古>头,头盖
vt. 筑保垒防卫
A sconce is a decorated object that holds candles or an electric light, and that is attached to the wall of a room.
1. a candlestick with a flat side to be hung on the wall
2. a forbidding stronghold
By knocking his sconce against them, sure.
用他的头脑撞过, 准是的.