DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
    [news2]  [nf06]  井 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [news2]  [nf06] い /ˈi/
   (noun (common) (futsuumeishi))
   (1) (m) Brunnen, (2) (f) Wasserstelle, (f) Stelle, an der man Grundwasser oder Quellwasser schöpfen kann