The Collaborative International Dictionary of English v.0.48:

Barbet \Bar"bet\, n. [F. barbet, fr. barbe beard, long hair of
   certain animals. See Barb beard.] (Zool.)
   (a) A variety of small dog, having long curly hair.
   (b) A bird of the family Bucconid[ae], allied to the
       Cuckoos, having a large, conical beak swollen at the
       base, and bearded with five bunches of stiff bristles;
       the puff bird. It inhabits tropical America and Africa.
   (c) A larva that feeds on aphids.
       [1913 Webster]

WordNet (r) 3.0 (2006):

barbet
    n 1: small brightly colored stout-billed tropical bird having
         short weak wings