pelvic arch

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates
• Syn:
pelvis, pelvic girdle, hip
• Derivationally related forms:
pelvic (for: pelvis)
• Hypernyms:
girdle
• Part Holonyms:
appendicular skeleton
• Part Meronyms:
coccyx, tail bone, hipbone, innominate bone, ilium,
ischium, ischial bone, os ischii, pubis, pubic bone, os pubis,
sacrum, hip, hip joint, coxa, articulatio coxae