Type of Lock Added to a Door's Edge via a Recess

This page is the CodyCross answer for the clue below from Home Sweet Home, Group 627, Puzzle 5 (Paint Brushes).

Question

Type of Lock Added to a Door's Edge via a Recess

Answer

MORTISE

Word Meaning:

MORTISE — (woodworking) A hole that is made to receive a tenon so as to form a joint.

Definitions from Wiktionary.