Synonyms: penstock, sluice valve, sluicegate, floodgate, head gate, water gate
Definition: regulator consisting of a valve or gate that controls the rate of water flow through a sluice
Similar words: regulator
Definition: any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
Synonyms: floodgate
Definition: something that restrains a flood or outpouring
Usage: suspension of surveillance opened the floodgates to illegal immigrants
Similar words: restraint
Definition: a rule or condition that limits freedom
Usage: legal restraints; restraints imposed on imports