regulator

/ˈrɛɡjəˌleɪtər/
noun
  1. A person or organization that sets and enforces rules or standards.
    • The environmental regulator monitors air quality in the city.
    • The financial regulator fined the bank for unsafe practices.
    • The food safety regulator inspects restaurants regularly.
  2. A device that controls or adjusts something, such as pressure, temperature, or speed.
    • The thermostat acts as a regulator for the heating system.
    • The pressure regulator on the gas tank keeps the flow steady.
    • A voltage regulator protects your electronics from power surges.
What does "regulator" mean? | whatsthatwordmean | whatsthatwordmean