The Collaborative International Dictionary of English v.0.48:
Thuggee \Thug*gee"\, n. [Hind. [.t]hag[imac].] The practice of secret or stealthy murder by Thugs. "One of the suppressors of Thuggee." --J. D. Hooker. [1913 Webster] ThuggeryWordNet (r) 3.0 (2006):
thuggee n 1: murder and robbery by thugs