1. Cup-shaped; cuplike. 2. Relating to the c. cavity or acetabulum. [G. kotyle, a small cup, + eidos, appearance]
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cot·y·loid 'kät-əl-.ȯid adj of or relating to an acetabulum
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cot·y·loid (kotґə-loid) [Gr. kotyloeides cup shaped] 1. cup-shaped. 2. acetabular.Medical dictionary. 2011.