Jackhammer definitions

jăk'hăm'ər
A handheld machine for drilling rock and breaking up pavement, operated by compressed air.
noun
0
0
A portable type of pneumatic hammer, used for breaking up concrete, rock, etc.
noun
0
0
A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
noun
0
0
To use a jackhammer.
verb
0
0