n. 臀骨, 无名骨, 髋骨

[医] 髋骨

[ noun ]
large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
<noun.body>

hipbone \hipbone\ n.
Either of two large flaring bones, each forming one half of
the pelvis; made up of the ilium and ischium and pubis.

Syn: innominate bone.
[WordNet 1.5]