The Collaborative International Dictionary of English v.0.48:

Amadavat \Am`a*da*vat"\, n. [Indian name. From Ahmedabad, a city
   from which it was imported to Europe.] (Zool.)
   The strawberry finch, a small Indian song bird (Estrelda
   amandava), commonly caged and kept for fighting. The female
   is olive brown; the male, in summer, mostly crimson; --
   called also red waxbill. [Written also amaduvad and
   avadavat.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

amadavat
    n 1: red Asian weaverbirds often kept as cage birds [syn:
         avadavat, amadavat]