What is belonging to a certain number; counting as one of a collection or body. A supernumerary canon, when he obtains a prebend, becomes a numerary canon. Ayliffe called?

numerary — Belonging to a certain number; counting as one of a collection or body. A supernumerary canon, when he obtains a prebend, becomes a numerary canon. Ayliffe. (Webster's 1913.)

Sources