hipbone

hip·bone   (hĭp'bōn')    n.  Either of two large flat bones each forming one of the lateral halves of the pelvis and consisting of the fused ilium, ischium, and pubis. Also called innominate bone.

Main Entry: hip·bone
Pronunciation: -'bOn, -"bOn
Function: noun
: the large flaring bone that makes a lateral half of the pelvis in mammals and iscomposed of the ilium, ischium, and pubis which are consolidated into one bone in the adult called also innominate bone, os coxae, pelvic bone

hipbone hip·bone (hĭp'bōn')
n.
Either of two large flat bones formed by the fusion of ilium, ischium, and pubis, constituting the lateral half of the pelvis and articulating with its fellow, with the sacrum, and with the femur. Also called coxa, innominate bone.