a torrent or flood. From
Niagara Falls: a large waterfall on the
Niagara River between the
state of
New York in the United
States and Ontario in Canada. The river is nearly a mile across at the falls and
flows approximately 15 million cubic feet of water per minute over
straight drops ranging from 158 to 167 feet.
—SHSBC Binder 25 Approved Glossary