From Longman Dictionary of Contemporary Englishdrinking fountainˈdrinking ˌfountain noun [countable] DFDa piece of equipment in a public place that produces a stream of water for you to drink from
Examples from the Corpus
drinking fountain• On his seventieth birthday his workmen presented a drinking fountain to the town of Doncaster as a token of their esteem.• Well, they just stop up one end of it and make the water come out through a drinking fountain.• A monumental granite drinking fountain towered up, with battered, insanitary metal cups hanging from it by chains.• Simon raised his head from the drinking fountain. 