antitrochanter

from The Century Dictionary.

• noun In anatomy, an articular facet on the ilium against which the trochanter major of the femur abuts, and with which it forms a joint, as in birds. See cut under sacrarium.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Anat.) An articular surface on the ilium of birds against which the great trochanter of the femur plays.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy An articular surface on the ilium of birds against which the great trochanter of the femur plays.