What is Chisel ?
Chisel is (noun) a metal tool which you hit with a hammer to cut small pieces off wood or stone The stone carver tapped the chisel very carefully with his hammer.(verb) 1. to cut wood or stone with a chisel We watched the sculptor chiselling away at the piece of stone. 2. to swindle (old.) He chiselled the old lady out of all her savings. (NOTE: chiselling – chiselled. The US spelling is chiseling – chiseled)
source: Easier English, Student Dictionary Upper Intermediate Level