sci·at·ic /saɪˈætɪk/
  (a.)臀部的,坐骨的,坐骨神經的
  sci·at·ic /saɪˈætɪk/ 形容詞
  坐骨的
  Sci·at·ic a.  Anat. Of or pertaining to the hip; in the region of, or affecting, the hip; ischial; ischiatic; as, the sciatic nerve, sciatic pains.
  Sci·at·ic, n.  Med. Sciatica.
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  sciatic
       adj 1: relating to or caused by or afflicted with sciatica
       2: of or relating to the ischium (or the part of the hipbone
          containing it); "sciatic nerve"