To make a long deep cut in; slash deeply.(verb-transitive)
A long deep cut.(noun)
A deep flesh wound.(noun)
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 "gash" in a sentence
"With the Vietnam Memorial, you created what you call a gash or a rift in the landscape."
"That gash is frickin 'unreal - looked like a great PPV."
"Pop has a long cut on his chin, the jagged edge like a gash from a bone saw."