What is "aberdevine"

Siskin \Sis"kin\, n. [Dan. sisgen; cf. Sw. siska, G. zeisig, D. sijsje; of Slav. origin; cf. Pol. czy?.] (Zo["o]l.)

1. A small green and yellow European finch ( Spinus spinus, or Carduelis spinus); -- called also aberdevine.

2. The American pinefinch ( S. 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.

n. (context obsolete outside dialects English) The (vern Eurasian siskin pedia=1) or (vern spruce siskin pedia=1), ''Spinus spinus'', a small green and yellow finch related to the goldfinch. (mid-18th century)(R:SOED5: page=3)