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Related to lap joint: dovetail joint
A joint, as between two boards or metal parts, in which the ends or edges are overlapped and fastened together, usually so as to produce a flush or continuous surface.
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.
(Building) a joint made by placing one member over another and fastening them together. Also called: lapped joint
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a joint, as between two pieces of metal or timber, in which the pieces overlap, often flush.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.