Definitions for "Siskin"
A small green and yellow European finch (Spinus spinus, or Carduelis spinus); -- called also aberdevine.
The American pinefinch (S. pinus); -- called also pine siskin. See Pinefinch.
(Faimly: Fringillidae) Siskins are seed-eating songbirds in the finch family. They are the size of goldfinches (about 8 centimeters).