roughen a plaster coat
1Key — 1. n. & v. n. (pl. keys) 1 an instrument, usu. of metal, for moving the bolt of a lock forwards or backwards to lock or unlock. 2 a similar implement for operating a switch in the form of a lock. 3 an instrument for grasping screws, pegs, nuts,… …
2key — 1. n. & v. n. (pl. keys) 1 an instrument, usu. of metal, for moving the bolt of a lock forwards or backwards to lock or unlock. 2 a similar implement for operating a switch in the form of a lock. 3 an instrument for grasping screws, pegs, nuts,… …
