|Origin:||governer, from Latin gubernare, from Greek kybernan 'to control the direction of something'|
1 [intransitive and transitive]
to officially and legally control a country and make all the decisions about taxes, laws, public services etc [= rule]:
the leaders who govern the country
The party had been governing for seven months.
if rules, principles etc govern the way a system or situation works, they control how it happens:
legislation governing the export of live animals
The universe is governed by the laws of physics.