crotaline

from The Collaborative International Dictionary of English v.0.48

Crotaline \Crot"a*line\ (kr?t"?-l?n or kr?`t?-), a. [See
   {Crotalus}.] (Zool.)
   Resembling, or pertaining to, the {Crotalidae}, or
   Rattlesnake family.
   [1913 Webster]