Source : Webster's Revised Unabridged Dictionary (1913)

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}.

Source : WordNet®

chaffinch
     n : small European finch with a cheerful song [syn: {Fringilla
         coelebs}]