A coarse, stout woven cloth, such as burlap or gunny, used for making sacks; sackcloth.(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 "sacking" in a sentence
"The tongues of the bells he wrapped in sacking tied with grasses."
"He was wearing a very smooth line in Italian sacking and all that soot wouldn't be doing it any good at all but he didn't seem to care."
"Aside from how deeply I dislike the idea of sacking someone for talking about the creative process comics are apparently like sausages and laws: if you like the finished product, you should never find out how they're made, it's of interest to me, of course, because McDuffie directly namechecks Black Canary."