innominate bone

Từ điển WordNet v3.1 - WordNet Dictionary

noun

large flaring bone forming one half of the pelvis;
made up of the ilium and ischium and pubis
• Syn:
hipbone
• Hypernyms:
bone, os
• Part Holonyms:
pelvis, pelvic girdle, pelvic arch, hip
• Part Meronyms:
acetabulum, cotyloid cavity