Mortise and tenons are used by woodworkers to join pieces of wood. the basic mortise and tenon comprises two components: the mortise hole and the tenon tongue.

A Mortise is usually a piece cut out and the insert is called a tenon...these two pieces make a joint.

The partner of a mortise is a tenon. A mortise is a cavity or hole cut into a piece of wood or other material, while a tenon is a projecting piece of wood or other materials that is designed to fit into the mortise, creating a joint. Together, a mortise and tenon form a strong and stable connection in woodworking.

Tenon (a woodworking joint)

Tenon (a woodworking joint)