Jument

from WordNet (r) 3.0 (2006)

jument
    n 1: an animal such as a donkey or ox or elephant used for
         transporting loads or doing other heavy work [syn: {beast
         of burden}, {jument}]

from The Collaborative International Dictionary of English v.0.48

Jument \Ju"ment\, n. [L. jumentum a beast of burden: cf. F.
   jument a mare, OF., a beast of burden.]
   A beast; especially, a beast of burden. [Obs.]
   [1913 Webster]

         Fitter for juments than men to feed on.  --Burton.
   [1913 Webster]