A rectangular hole cut into one piece to receive a matching tenon from another. The female half of the strongest traditional joint in furniture.
Cut the mortise first, then fit the tenon to it.
A projecting tongue cut on the end of one piece, sized to fit a matching mortise. The male half of a mortise-and-tenon joint.
A traditional technique where a peg is driven through a tenon and into the mortise at a slight offset, pulling the shoulders tight permanently without clamps.
A marking gauge with two adjustable pins, used to score two parallel lines simultaneously for laying out mortises and tenons.