Siskin n. (Zool.) (a)A small green and yellow European finch (Spinus spinus, or Carduelis spinus); called also aberdevine.
(b)The American pinefinch (Spinus pinus); called also pine siskin. See Pinefinch. Note: The name is applied also to several other related species found in Asia and South America.
Siskin green, a delicate shade of yellowish green, as in the mineral torbernite.