ankus

from WordNet (r) 3.0 (2006)

ankus
    n 1: an elephant goad with a sharp spike and a hook

from The Collaborative International Dictionary of English v.0.48

Ankus \An"kus\, n. [Hind., fr. Skr. a[.n]ku[,c]a.]
   An elephant goad with a sharp spike and hook, resembling a
   short-handled boat hook. [India] --Kipling.
   [Webster 1913 Suppl.]