Found 2 definitions

  1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                    

    [news2] [nf47] 后, 妃, [news2] [nf47] きさき, (后) (out-dated or obsolete kana usage) きさい (noun (common) (futsuumeishi)) (f) Kaiserin, (f) Königin

  2.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                    

    [news1] [nf14] 妃, [news1] [nf14] ひ (noun (common) (futsuumeishi)) (f) Kaiserin, (f) Königin, (f) Prinzessin