prepubis
/priːˈpjuːbɪs/(also praepubis)
noun
1 Palaeontology. The anterior ramus of the pubis, especially in ornithischian dinosaurs.
2 Zoology. In non-placental mammals and some amphibians and reptiles: a cartilage or bone anterior to the pubis.
Origin
Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From pre- + pubis.