[{"Bold_text": "noun", "List Items": ["a river on the boundary between W New York and Ontario, Canada, flowing from Lake Erie into Lake Ontario. 34 miles (55 km) long.", "Niagara Falls Niagara Falls.", "Fort,a fort in W New York, at the mouth of the Niagara River.", "(lowercase)anything taken as resembling Niagara Falls in force and relentlessness; avalanche:a niagara of criticism.", "Horticulture.a variety of white grape, grown for table use.the vine bearing this fruit.", "a variety of white grape, grown for table use.", "the vine bearing this fruit."]}]