臼きゅう蓋がいきゅうがいMeanings1nounacetabular roofMedical term for the upper part of the hip socket. Used in orthopedics and anatomy.臼きゅう蓋がい形けい成せい不ふ全ぜんは股こ関かん節せつの安あん定てい性せいに影えい響きょうする。Acetabular dysplasia affects the stability of the hip joint.