impoon

from The Collaborative International Dictionary of English v.0.48

Impoon \Im*poon"\, n. (Zool.)
   The duykerbok.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Duykerbok \Duy"ker*bok\, n. [D. duiker diver + bok a buck, lit.,
   diver buck. So named from its habit of diving suddenly into
   the bush.] (Zool.)
   A small South African antelope ({Cephalous mergens}); --
   called also {impoon}, and {deloo}.
   [1913 Webster]