敲顶锤; 轻敲锤; 松模工具
Rapper \Rap"per\, n. [From {Rap}.] 1. One who, or that which, raps or knocks; specifically, the knocker of a door. --Sterne. 2. A forcible oath or lie. [Slang] --Bp. Parker.
rapper n 1: someone who performs rap music 2: a device (usually metal and ornamental) attached by a hinge to a door [syn: {knocker}, {doorknocker}]