A pick, especially with one end of the head pointed and the other end with a chisel edge for cutting through roots.(noun)
To use a pickax.(verb-intransitive)
To use a pickax on.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "pickax" in a sentence
"The logo for Kirk Miller's debonair menswear label, Miller's Oath, is a pickax."
"A second report from April 2009 describes an Iraqi detainee as being covered in bruises and a scar from being bludgeoned with a pickax."
"Here's what I'm sure of: I wouldn't tolerate someone ripping my dog's teeth out (baby pigs); stuffing him in a cramped wire cage (egg-laying chickens); or swinging a pickax at his face (Blue-Fin Tuna)."