reg·u·la·tor 
/ˈrɛgjəˌleɪtɚ/ noun
plural reg·u·la·tors /ˈrɛgjəˌleɪtɚ/ noun [count] 1 : a device for controlling the level or amount of something (such as speed or temperature)
▪ a pressure regulator 2 : an official who works for the part of the government that controls a public activity (such as banking or insurance) by making and enforcing rules
▪ federal/state regulators
▪ a pressure regulator
▪ federal/state regulators
