The Collaborative International Dictionary of English v.0.48:

Skimback \Skim"back`\ (sk[i^]m"b[a^]k`), n. (Zool.)
   The quillback. [Local, U.S.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Quillback \Quill"back`\, n. (Zool.)
   An American fresh-water fish (Ictiobus cyprinus syn.
   Carpiodes cyprinus); -- called also carp sucker,
   sailfish, spearfish, and skimback.
   [1913 Webster]