DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
   痘痕 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/, 痘 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, いも /ˈimo̞/
   (noun (common) (futsuumeishi))
   いもがさ
            Note: colloquialism
            Note: abbreviation(f) Pockennarbe