Niagara: Meaning and Definition of

Ni•ag•a•ra

1. a river on the boundary between W New York and Ontario, Canada, flowing from Lake Erie into Lake Ontario. 34 mi. (55 km) long.
2. See
3. a fort in W New York, at the mouth of the Niagara River.
4. (l.c.) anything taken as resembling Niagara Falls in force and relentlessness; avalanche: a niagara of criticism.
1. a variety of white grape, grown for table use.
2. the vine bearing this fruit.