ˌpublic reˈlations BrE AmE noun
1 . [uncountable] the work of explaining to the public what an organization does, so that they will understand it and approve of it:
They ran their own successful public relations business in London.
2 . [plural] the relationship between an organization and the public:
The project has been disastrous for the bank in terms of public relations.
a public relations exercise (=done in order to improve the relationship between the public and an organization)