- pelvis, pelvic girdle, pelvic arch, hip - the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates
--1 is a kind of girdle
--1 is a part of appendicular skeleton
--1 has parts:coccyx, tail bone; hipbone, innominate bone; ilium; ischium, ischial bone, os ischii; pubis, pubic bone, os pubis; sacrum; hip, hip joint, coxa, articulatio coxae