acanthopterous

from The Collaborative International Dictionary of English v.0.48

Acanthopterous \Ac`an*thop"ter*ous\, a. [Gr. ? spine + ? wing.]
   1. (Zool.) Spiny-winged.
      [1913 Webster]

   2. (Zool.) Acanthopterygious.
      [1913 Webster]