rhinocerial

from The Collaborative International Dictionary of English v.0.48

Rhinocerial \Rhi`no*ce"ri*al\, Rhinocerical \Rhi`no*cer"ic*al\,
   a. (Zool.)
   Of or pertaining to the rhinoceros; resembling the
   rhinoceros, or his horn. --Tatler.
   [1913 Webster]