supply with a gate
control with a valve or other device that functions like a gate
restrict (school boys') movement to the dormitory or campus as a means of punishment
A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section.
The removal of the government's official limits on pay increases has opened the flood gates for a rush of demands for higher wages.
Water went rushing through the lock gates.
They open the sluice gates of reservoir.