n.
A low-growing, weedy Eurasian annual (Scleranthus annuus) having narrow leaves and inconspicuous green flowers.
[German Knäuel, from Middle High German kliuwel, kniuwel, diminutive of kliuwe, ball of yarn, from Old High German kliuwa.]
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.