n., pl., -ries.
A thin mixture of a liquid, especially water, and any of several finely divided substances, such as cement, plaster of Paris, or clay particles.
[Middle English slori, perhaps from sloor, mud.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.