mortise
lock n. Lock recessed in the frame of a door etc.
n. A cavity cut into a piece of timber, or other material, to receive something (as the end of another piece) made to fit it, and called a tenon.
lock n. Lock recessed in the frame of a door etc.
n. A cavity cut into a piece of timber, or other material, to receive something (as the end of another piece) made to fit it, and called a tenon.