ˌæsɪˈtæbjʊləm

Definitions

1. noun

the socket in the hipbone in which the head of the femur articulates, forming the hip joint

“The orthopedic surgeon examined the patient’s acetabulum to determine the extent of the injury.”

2. anatomy

the socket in the hipbone that receives the head of the femur

“The anatomy of the human body includes the acetabulum, a vital part of the skeletal system.”