Definition of Indian ass in English:

Indian ass

noun

  • A mythical animal resembling an antelope, with a single horn and uncloven hooves.

Origin

Late 16th century; earliest use found in Thomas Blundeville (fl. 1561), author and translator. After classical Latin asinus Indicus (Pliny), ancient Greek Ινδικὸς ὄνος (AristotleHistoria Animalium 499 b 20).