knur(redirected from knurrs)
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A bump or knot, as on a tree trunk; a gnarl.
[Middle English knor.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Forestry) a knot or protuberance in a tree trunk or in wood
[C16 knor; related to Middle High German knorre knot; compare knar]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a knotty growth, as on a tree.
[1350–1400; Middle English knorre, knor; c. Middle Low German, Middle Dutch, Middle High German knorre]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.