Found one definition

  1.                 From Japanese-English FreeDict Dictionary ver. 0.1:
                    

    [news2] [nf39] 支那, [news2] [nf39] しな, () シナ (noun (common) (futsuumeishi)) 中国・1 Note: sensitive Note: word usually written using kana alone (often considered offensive post-WWII, esp. when written in kanji) China