DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
   御株 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/,  [news2]  [nf36]  お株 /ˈo̞ (en)tʃˈaɪniːz(ja)lˈe̞tə/,  [news2]  [nf36] おかぶ /o̞kˈäbɯᵝ/
   (noun (common) (futsuumeishi))
   jmds. besondere (f) Stärke, jmds. (f) Spezialität, jmds. (n) Steckenpferd