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Wooden siding rabbeted so that the edge of one board overlaps the one next to it in a flush joint.
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.
a wooden board that has been rabbeted so that the edges of each board overlap the edges of adjacent boards to create a flush and stable joint
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. an overlapping joint, as a rabbet, between two boards joined edge to edge.
2. boarding joined with such overlapping joints.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.