unmortised

un·mor·tise

 (ŭn-môr′tĭs)
tr.v. un·mor·tised, un·mor·tis·ing, un·mor·tis·es
1. To loosen a mortised joint of.
2. To separate.
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.

unmortised

(ʌnˈmɔːtɪst)
adj
not mortised
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014