Lewis & Short

exemplāris, e, adj. [exemplum].

  1. I. That serves as a pattern or example, exemplary (late Lat.): virtutes, Macr. Somn. Scip. 1, 8, 5.
  2. II. Subst.: exemplāres, ium, m. (i. e. libri), copies (for the usual exemplaria), Tac. H. 4, 25; Fronto Ep. ad Anton. 2, 5.