Search Result for "alphavirus": 
Wordnet 3.0

NOUN (1)

1. an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses; 



WordNet (r) 3.0 (2006):

alphavirus
    n 1: an arbovirus of the family Togaviridae that can cause a
         variety of encephalitis in horses