Mortise, a hollow in a stone or timber to receive a corresponding projection.
The marks a, b designate the limits, or the length, of the mortise.
A typical form of mallet chiseling is the digging of a mortise, Fig. 76.
Fasten the lock in place, and if there is a strike or face-plate, mark its place and mortise it in.
The width of the mortise is equal to the width of the groove, ...