Meaning of “govern” - Learner’s Dictionary

govern

verb uk us /ˈɡʌvən/
OFFICIAL CONTROL [ I, T ]

B2 to officially control a country:

The country is now governed by a coalition government.
a governing body
INFLUENCE [ T ]

to influence or control the way something happens or is done:

There are rules that govern how teachers treat children.

(Definition of “govern” from the Cambridge Learner’s Dictionary © Cambridge University Press)