The Collaborative International Dictionary of English v.0.48:

Dakoit \Da*koit"\, n., Dakoity \Da*koit"y\, n.
   See Dacoit, Dacoity.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dakoity
    n 1: robbery by a gang of armed dacoits [syn: dacoity,
         dakoity]