bes·ti·ar·y 
(bĕschē-ĕr′ē, bēs-)
(bĕschē-ĕr′ē, bēs-)n. pl. bes·ti·ar·ies
A book consisting of a collection of descriptions of real and fabulous animals, often including a moral or allegorical interpretation of each animal's behavior. Bestiaries were particularly popular in medieval Europe.
[Medieval Latin bēstiārium, from Latin bēstia, beast.]