/koor gahn", -gan"/ , n.
a circular burial mound constructed over a pit grave and often containing grave vessels, weapons, and the bodies of horses as well as a single human body; originally in use in the Russian Steppes but later spreading into eastern, central, and northern Europe in the third millennium B.C.
[ 1885-90; kurgán burial mound, ORuss, appar. to be identified with kurganu fortress kurgan, Chagatai, Kazakh korgan fortress, castle ]