Noun | 1. | ![]() bird genus - a genus of birds family Fringillidae, Fringillidae - finches: goldfinches; bullfinches; chaffinches; siskins; canaries; cardinals; grosbeaks; crossbills; linnets; buntings Pooecetes gramineus, vesper sparrow, grass finch - common North American finch noted for its evening song |