The Collaborative International Dictionary of English v.0.48:

Boselaphus \Boselaphus\ prop. n.
   A genus of Indian antelopes; the nilgais.

   Syn: genus Boselaphus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Boselaphus
    n 1: Indian antelopes: nilgais [syn: Boselaphus, genus
         Boselaphus]