pelvic girdle

pelvic girdle

noun

Definition of PELVIC GIRDLE

: a bony or cartilaginous arch that supports the hind limbs of a vertebrate, that corresponds to the pectoral girdle of the forelimbs but is usually more rigid and firmly attached to the spinal column, and that consists in lower forms of a single cartilage which is replaced in higher forms including humans by paired hip bones articulating solidly with the sacrum dorsally and with one another at the pubic symphysis

Illustration of PELVIC GIRDLE