Dactylopterous

from The Collaborative International Dictionary of English v.0.48

Dactylopterous \Dac`tyl*op"ter*ous\, a. [Gr. da`ktylos finger +
   ? wing, fin.] (Zool.)
   Having the inferior rays of the pectoral fins partially or
   entirely free, as in the gurnards.
   [1913 Webster]