Source : Webster's Revised Unabridged Dictionary (1913)

Thuggee \Thug*gee"\, n. [Hind. ?hag[=i].]
   The practice of secret or stealthy murder by Thugs. ``One of
   the suppressors of Thuggee.'' --J. D. Hooker.

Source : WordNet®

thuggee
     n : murder and robbery by thugs