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See pelvic girdle.
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|Noun||1.||pelvic arch - the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates|
hipbone, innominate bone - large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
ilium - the upper and widest of the three bones making up the hipbone
ischial bone, ischium, os ischii - one of the three sections of the hipbone; situated below the ilium
os pubis, pubic bone, pubis - one of the three sections of the hipbone; together these two bones form the front of the pelvis
sacrum - wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx
girdle - an encircling or ringlike structure
appendicular skeleton - the part of the skeleton that includes the pectoral girdle and the pelvic girdle and the upper and lower limbs