postacetabular

post·ac·e·tab·u·lar

(pōst'as-ĕ-tab'yū-lăr), Posterior to the acetabular cavity.

postacetabular

(pōst″ăs-ĕ-tăb′ū-lăr) [″ + acetabulum, a little saucer for vinegar] Behind the acetabulum.