Meaning of REGULATOR in English

REGULATOR

reg ‧ u ‧ la ‧ tor AC /ˈreɡjəleɪtə, ˈreɡjʊleɪtə $ -ər/ BrE AmE noun [countable]

[ Word Family: noun : ↑ regulation , ↑ regulator ; verb : ↑ regulate ; adjective : ↑ regulatory ]

1 . an instrument for controlling the temperature, speed etc of something:

a heat regulator

2 . someone who makes sure that a system operates properly or fairly:

traffic safety regulators

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.