Definition of charles river:
(N) :
The Charles River (Massachusett: ), sometimes called the River Charles or simply the Charles, is an river in eastern Massachusetts.
(N) :
a U.S. Geological Survey.
(N) :
a short river to Boston Harbor, in Massachusetts, United States.
(N) :
The Charles River, which is often called Charles Creek is an ephemeral stream in the southern Northern Territory.