A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
To use a jackhammer.
To break (something) using a jackhammer.
To strike (something) repeatedly with force, to pound.
To move like a jackhammer.
To beat hard, to pound.
To form (something) using a jackhammer.
To move (something) like a jackhammer.
A heavy hammer or beetle, often made of wood or lead.