- Niagara, Niagara Falls - waterfall in Canada is the Horseshoe Falls; in the United States it is the American Falls
--1 is a kind of waterfall, falls
--1 is a part of
--1 has parts: American Falls; Canadian Falls, Horseshoe FallsNiagara, Niagara River; Ontario; New York, New York State, Empire State, NY - Niagara, Niagara River - a river flowing from Lake Erie into Lake Ontario; forms boundary between Ontario and New York
--2 is a kind of river
--2 is a part of
--2 has parts: Niagara, Niagara FallsUnited States, United States of America, America, US, U.S., USA, U.S.A.; Canada