This is the 8213th most frequent Japanese word.
市営
Municipal-run; operated by the city.
The word '市営' is used as an adjective describing the bus service managed by the city government.
市営バスは駅まで運行しています。
The city-run bus operates up to the station.
Here, '市営' describes the park, indicating that it is operated and maintained by the municipality.
私たちは市営の公園でピクニックをしました。
We had a picnic at the park managed by the city.
'市営' qualifies the library, specifying that it is run by the city's administration.