n.
A natural grease formed from dried perspiration found in the fleece of sheep, used as a source of potash.
[French, from Old French, from suer, to sweat, from Latin sūdāre.]
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.
