Per ‧ ri ‧ er /ˈperieɪ/ BrE AmE trademark
a type of ↑ mineral water from Vergèze in the south of France, which is naturally ↑ carbonated (=the ↑ bubble s in it are natural, not added), and its name is sometimes used to mean any kind of carbonated mineral water:
Could I have two beers and a Perrier, please?