greenfinch /ˈɡɹiːn.fɪnt͡ʃ/ noun4 •Any bird within the genus Chloris (formerly a subset of the genus Carduelis), small passerine songbirds with yellow-green plumage, found throughout Eurasia.The Vietnamese Greenfinch is the only greenfinch found in the Da Lat area, and as such is unmistakeable. — 2016 •European greenfinch, a common Old World finch (Chloris chloris, syn. Carduelis chloris,Fringilla Chloris),mainly green with yellow in the wings and tail. •(Northern-Ireland, informal) A female member of the Ulster Defence Regiment. •(informal, slang) A female member of the Royal Irish Regiment. formsgreenfinches