1 [countable usually plural]PE
a service, such as transport or health care, that a government provides:
efforts to improve quality in public services
2 [uncountable and countable]
a service provided to people because it will help them, and not for profit:
Local TV stations ran the ads as a public service.
the government or its departments:
staff cuts in the public service
He left the public service and embarked on a career in the City.