From Longman Dictionary of Contemporary EnglishPRPR /ˌpiː ˈɑː $ -ˈɑːr/ noun [uncountable] 1 BBM (public relations) the work of explaining to the public what an organization does, so that they will understand it and approve of itPR agency/firm/consultant a large PR firm The band have been getting a lot of good PR recently. Many say it was no more than a PR exercise (=something done to make people think something is good).2 PPV British English the abbreviation of proportional representation
Examples from the Corpus
PR• Last year, we hired a PR firm to help change our corporate image.From Longman Business DictionaryPRPR noun [uncountable] public relations; the work of persuading people to have a good opinion of an organization, company etcGood PR is of paramount importance these days.The company has hired a PR firm to promote its media image. 