from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hand-held machine for drilling rock and breaking up pavement, operated by compressed air.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
from 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a hammer driven by compressed air
Sorry, no etymologies found.
I think I went to college with Ed Martin jackhammer
“Working a jackhammer is a noble profession,” John said.
I had never experienced that kind of jackhammer pain before, and I had to endure it until Monday rolled around when I could find a dentist to see me.
We just heard from an eyewitness who said there was some kind of jackhammer that was being used and all of the sudden the bridge just completely collapsed.
I have no idea what kind of jackhammer-powered wooden stake we have to drive through the hearts of those people to finally break the curse, but I'm up all night thinking about it.
And how did such seemingly non-toyetic robot designs like one with only a head and arms and wheels with no body or another with a 'jackhammer' uni-leg come about when, even for the movie aesthetic, they are pretty far out there for a movie basically about a toy line?
Then came the jackhammer bursts of antiaircraft guns.
Three years ago I put a Wasp jackhammer broadhead thru a small doe.
The sisters fell silent, listening to the woodpeckers jackhammer the trees.
Peter Mandel is an essayist and the author of 10 books for kids including his newest about a guy who runs a jackhammer and uses his belly on the job: Jackhammer Sam Macmillan/Roaring Brook.