- hip, hip joint, coxa, articulatio coxae - the ball-and-socket joint between the head of the femur and the acetabulum
--1 is a kind of ball-and-socket joint, spheroid joint, cotyloid joint, enarthrodial joint, enarthrosis, articulatio spheroidea
--1 is a part of thigh; pelvis, pelvic girdle, pelvic arch, hip
--1 has parts: ischium, ischial bone, os ischii