DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
    [ichi1]  靨 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 笑窪 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/,  [ichi1]  えくぼ /e̞kˈɯᵝbo̞/,  () エクボ /e̞kˈɯᵝbo̞/
   (noun (common) (futsuumeishi))
            Note: word usually written using kana alone(n) Grübchen