Definition of don river:
(N) :
a watercourse in southern Ontario that empties into Lake Ontario, at Toronto Harbour.
(N) :
The Don is a river in Russia and the fifth-longest river in Europe.
(N) :
a river in North Queensland, Australia.
(N) :
a perennial river of the Port Phillip catchment, located in the Central region of the Australian state of Victoria.
(N) :
a river in Central Queensland, Australia.
(N) :
a perennial river for most of its length, located in the north-western region of Tasmania, Australia.