The Collaborative International Dictionary of English v.0.48:

Kleeneboc \Kleene"boc`\ (kl[=e]n"b[o^]k`), n. [D. kleen little,
   small + bok buck.] (Zool.)
   An antelope (Cerphalopus pygm[ae]us), found in South
   Africa. It is of very small size, being but one foot high at
   the shoulder. It is remarkable for its activity, and for its
   mild and timid disposition. Called also guevi, and pygmy
   antelope.
   [1913 Webster]