n. [ F., fr. tenir to hold. See Tenable. ] (Carp. & Join.) 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. [ 1913 Webster ]

Tenon saw, a saw with a thin blade, usually stiffened by a brass or steel back, for cutting tenons. [ Corruptly written tenant saw. ] Gwilt. [ 1913 Webster ]

v. t. To cut or fit for insertion into a mortise, as the end of a piece of timber. [ 1913 Webster ]

a. (Anat.) Discovered or described by M. Tenon, a French anatomist. [ 1913 Webster ]

Tenonian capsule (Anat.), a lymphatic space inclosed by a delicate membrane or fascia (the fascia of Tenon) between the eyeball and the fat of the orbit; -- called also capsule of Tenon. [ 1913 Webster ]

‖n. [ NL., Gr. te`nwn tendon + -itis. ] (Med.) Inflammation of a tendon. [ Webster 1913 Suppl. ]

‖ n. [ NL. See Tenonian, -itis. ] Inflammation of the Tenonian capsule. [ Webster 1913 Suppl. ]