'Bestiary' definitions:

Definition of 'bestiary'

From: WordNet
noun
A medieval book (usually illustrated) with allegorical and amusing descriptions of real and fabled animals

Definition of 'Bestiary'

From: GCIDE
  • Bestiary \Bes"ti*a*ry\, n. [LL. bestiarium, fr. L. bestiarius pert. to beasts, fr. bestia beast: cf. F. bestiaire.] A treatise on beasts; esp., one of the moralizing or allegorical beast tales written in the Middle Ages. [1913 Webster]
  • A bestiary . . . in itself one of the numerous medi[ae]val renderings of the fantastic mystical Zoology. --Saintsbury. [Webster 1913 Suppl.]