Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems.

What is the meaning of flood gates?

1 : a gate for shutting out, admitting, or releasing a body of water : sluice. 2 : something serving to restrain an outburst opened the floodgates of criticism.

What is a flood gate used for?

Floodgates are built at the end of storm sewers. During high water, floodgates prevent river water from backing through the sewer into the cities.