acetabular
  碟狀體的; 髖臼的
  ac·e·tab·u·lar /-lɚ/ 形容詞
  髖臼的,腹吸盤的
  Ac·e·tab·u·lar a. Cup-shaped; saucer-shaped; acetabuliform.
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  acetabular
       adj : of the cup-shaped socket that receives the head of the thigh
             bone [syn: cotyloid, cotyloidal]