—n. 1. a notch, hole, groove, or slot made in a piece of wood or the like to receive a tenon of the same dimensions.
2. a deep recess cut into wood for any of several other purposes, as for receiving a mortise lock.
3. Print.a space cut out of a plate, esp. for the insertion of type or another plate.
—v.t. 1. to secure with a mortise and tenon.
2. to cut or form a mortise in (a piece of wood or the like).
3. to join securely.
4. Print. a. to cut metal from (a plate).
b. to cut out metal from a plate and insert (new material) in its place. Also,mortice.