The Collaborative International Dictionary
copper finch
Chaffinch \Chaf"finch\, n. [Cf. Chiff-chaff.] (Zo["o]l.) A bird of Europe ( Fringilla c[oe]lebs), having a variety of very sweet songs, and highly valued as a cage bird; -- called also copper finch.
Wiktionary
copper finch
n. (context archaic dialect UK Devon English) chaffinch