Hippogriff
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) A fabulous winged animal, half horse and half griffin.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
in the mythology of the Middle Ages, was a fabulous animal, half horse, half griffin, which cleaves the air with preternatural swiftness. The Italian poet, Bojardo, seems to have invented it. Modern German poets use the name frequently for the muses' steed, Pegasus (q.v.).