DuckCorp Dico

Found one definition

1.                 From Japanese-English FreeDict Dictionary ver. 0.1:
                   
   
   
                   
                     
    [ichi1]  [news1]  [nf01]  母 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [ichi1]  [news1]  [nf01]  はは /hˈähä/,  (out-dated or obsolete kana usage)  はわ /hˈäwä/,  (out-dated or obsolete kana usage)  かか /kˈäkä/,  (out-dated or obsolete kana usage)  おも /ˈo̞mo̞/,  (out-dated or obsolete kana usage)  いろは /iɽˈo̞hä/,  (out-dated or obsolete kana usage) あも /ˈämo̞/
   (noun (common) (futsuumeishi))
   父
            Note: humble (kenjougo) language (かか was used by children)
   mother