bes ‧ ti ‧ ar ‧ y /ˈbestiəri $ ˈbestʃieri/ BrE AmE noun ( plural bestiaries ) [countable]
[ Date: 1800-1900 ; Language: Medieval Latin ; Origin: bestiarium , from Latin bestia ; ⇨ ↑ bestial ]
an old book about strange animals, written in the Middle Ages