tenonEtymologyFrom Middle English tenoun, tenown, tenon, from Anglo-Norman tenoun, from Old French tenon.tenon means A surname from French. Lexicurio rates it Rare gem — a strength score of 82 out of 100.nameA surname from French.nounA 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.“A keyed mortise-and-tenon joint is constructed the same as a doweled mortise and tenon joint except that the tenon projects far enough through the mortise to admit the insertion of a tapering key which draws the mortised piece firmly against the shoulder of the tenon.”verbTo make into a tenon.“First we'll tenon this part, then we'll make a mortise that will fit it on that part.”To fit with tenons.