1Belonging to or serving society and the community as a whole rather than a specific individual — used for things like public transportation and public facilities.
平日は公共の交通機関を使って通勤している。
On weekdays, I commute using public transportation.
この公園は市が管理する公共のスペースだ。
This park is a public space managed by the city.
図書館や公民館など、公共の施設を大切に使ってほしい。
I hope people take good care of public facilities such as libraries and community centers.
政治家は公共の利益を第一に考えるべきだ。
Politicians should put the public interest first.