The Collaborative International Dictionary of English v.0.48:

Pinefinch \Pine"finch`\ (p[imac]n"f[i^]nch`), n. (Zool.)
   (a) A small American bird (Spinus spinus syn. Chrysomitris
       spinus); -- called also pine siskin, and American
       siskin.
   (b) The pine grosbeak.
       [1913 Webster]