The Collaborative International Dictionary of English v.0.48:

Numerary \Nu"mer*a*ry\, a. [LL. numerarius: cf. F.
   num['e]raire.]
   Belonging to a certain number; counting as one of a
   collection or body.
   [1913 Webster]

         A supernumerary canon, when he obtains a prebend,
         becomes a numerary canon.                --Ayliffe.
   [1913 Webster]