The Collaborative International Dictionary of English v.0.48:

Garuda \Garuda\ prop. n. (Hinduism)
   supernatural half-man and half-bird vehicle or bearer of
   Vishnu.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

Garuda
    n 1: a supernatural eagle-like being that serves as Vishnu's
         mount