- any of various joints between two pieces of timber or the like in which a tenon is housed in or secured to a mortise.
Origin of mortise joint
First recorded in 1880–85
Also called mortise and tenon joint.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.