DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   deutsch /dˈɔøtʃ/ (dt. /dˌeːtˈeː/) <adj>
    [geogr.]  [ling.]  [soc.] German <adj>Ger.,  /ɡˈɛɾ/
         "sich deutsch unterhalten"  - converse in German
         "mit jdm. deutsch reden"  - talk to sb. in German
         "mit jdm. einmal deutsch reden"  - do some straight talking with sb., talk turkey with sb.
         "Der Brief war deutsch abgefasst."  - The letter was written in German.
    see: deutsch antworten