wind shake(redirected from ring shake)
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A crack or separation between growth rings in timber, attributed to the straining of tree trunks in high winds.
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.
1. (Forestry) a crack between the annual rings in wood: caused by strong winds bending the tree trunk
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a flaw in wood supposed to be caused by the action of strong winds upon the trunk of the tree.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.