Tenon (m)
(with) definite article: lenarrow end of a tube which fits into the mortise of the stock or of another tube
Ricros, André: Emprunts esthétiques, musicaux et lexicaux de la cabrette à la musette de Cour. In: Ricros (et al.): La cabrette… (2017), p.[541]* (plural [➺ musette de Cour]).