What does "barbet" mean?

Barbet: (a) A variety of small dog, having long curly hair. (b) A bird of the family Bucconidæ, 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 aphides.