artesian well
From Longman Dictionary of Contemporary Englishartesian wellar‧te‧si‧an well /ɑːˌtiːziən ˈwel $ ɑːrˌtiːʒən-/ noun [countable] TAWATERa well from which the water is forced up out of the ground by natural pressureExamples from the Corpusartesian well• Such a borehole is called an artesian well.Origin artesian well (1800-1900) French artésien “of Artois, area of northern France where such wells were first made”