mahout

from WordNet (r) 3.0 (2006)

mahout
    n 1: the driver and keeper of an elephant

from The Collaborative International Dictionary of English v.0.48

Mahout \Ma*hout"\, n. [Hind. mah[=a]wat, Skr. mah[=a]m[=a]tra;
   mahat great + m[=a]tr[=a] measure.]
   The keeper and driver of an elephant. [East Indies]
   [1913 Webster]