mor·tise also mor·tice (môrtĭs)
1. A usually rectangular cavity in a piece of wood, stone, or other material, prepared to receive a tenon and thus form a joint.
2. Printing A hole cut in a plate for insertion of type.
tr.v. mor·tised, mor·tis·ing, mor·tis·es also mor·ticed or mor·tic·ing or mor·tic·es
1. To join or fasten securely, as with a mortise and tenon.
2. To make a mortise in.
a. To cut a hole in (a plate) for the insertion of type.
b. To cut such a hole and insert (type).
[Middle English mortaise, from Old French, perhaps from Arabic murtazz, fastened, from irtazza, to be fixed (in place), derived stem of razza, to fix, insert; see rzz in the Appendix of Semitic roots.]
(click for a larger image)mortise
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.