Cotyloidal

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  cotyloid \cot"y*loid\, cotyloidal \cotyloidal\(k?t"?-loid), a.
     [Cotyle + -oid] (Anat.)
     (a) Shaped like a cup; cup-shaped; as, the cotyloid cavity,
         the cup-shaped socket which receives the head of the
         thigh bone.
     (b) Pertaining to a cotyloid cavity; as, the cotyloid


         ligament, or notch.
  
     Syn: acetabular, cotyloid.
          [1913 Webster + WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  cotyloidal
       adj : of the cup-shaped socket that receives the head of the thigh
             bone [syn: {acetabular}, {cotyloid}]