1. (n.) A cavity cut into a piece of timber, or other material, to receive something (as the end of another piece) made to fit it, and called a tenon.

2. (v. t.) To cut or make a mortisein.

3. (v. t.) To join or fasten by a tenon and mortise; as, to mortise a beam into a post, or a joist into a girder.

ankle articulate articulation batten batten down bolt boundary buckle butt button cervix clasp cleat clinch clip closure coact connecting link connecting rod connection cooperate coupling dovetail elbow embrace engage gliding joint hasp hinge hinged joint hip hitch hook interact interchange interface interlace intermesh interplay intertwine interweave interwork jam join joining joint juncture knee knuckle latch link lock mesh miter nail neck peg pin pivot pivot joint rabbet rivet scarf screw seam sew shoulder skewer snap staple stick stitch suture symphysis tack tie rod toggle toggle joint union wedge weld wrist zipper