n. A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
v. To use a jackhammer.
the GNU version of the Collaborative International Dictionary of English
n. a hammer having a strong steel cutting blade, driven by compressed air in multiple rapid strokes, and used for cutting through pavement, concrete, or other hard substances.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a hammer driven by compressed air
Word Usage
"“Working a jackhammer is a noble profession,” John said."