The Collaborative International Dictionary of English v.0.48:

Rusine \Ru"sine\, a. [NL. rusa, the name of the genus, Malay
   r[=u]sa deer.] (Zool.)
   Of, like, or pertaining to, a deer of the genus Rusa, which
   includes the sambur deer (Rusa Aristotelis) of India.
   [1913 Webster]

   Rusine antler (Zool.), an antler with the brow tyne simple,
      and the beam forked at the tip.
      [1913 Webster]