A sheet, as of cloth or plastic, for protection against spills or dripping, used especially by painters.(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 "drop cloth" in a sentence
"Eric Wu, still plugged into his Walkman, carefully laid down a vinyl drop cloth near the door."