A projecting member left by cutting away the wood around it, and made to insert into a mortise, and in this way secure together the parts of a frame; especially, such a member when it passes entirely through the thickness of the piece in which the mortise is cut, and shows on the other side. Cf. Tooth, Tusk.
- A projection on the end of a piece of wood shaped for insertion into a mortise to make a joint.
- To provide with a tenon.
- To join with a tenon.