Definition of postpubis in US English:

postpubis

noun

Zoology
  • The posterior or postacetabular part of the pubis, especially when large, as in some dinosaurs.

Origin

Late 19th century. From post- + pubis. Compare slightly earlier postpubic.

Pronunciation

postpubis

/ˌpəʊs(t)ˈpjuːbɪs/