Mid 17th century; earliest use found in Alexander Read (1586?–1641). From post-classical Latin os innominatum from classical Latin os + post-classical Latin innominatus, after ancient Greek ἀνώνυμος in specific use in Hellenistic Greek by Galen.
Definition of os innominatum in US English:
os innominatum
nounˌɒs ɪnɒmɪˈnɑːtəm
Anatomy Zoology
The os coxae (hip bone).
Origin
Mid 17th century; earliest use found in Alexander Read (1586?–1641). From post-classical Latin os innominatum from classical Latin os + post-classical Latin innominatus, after ancient Greek ἀνώνυμος in specific use in Hellenistic Greek by Galen.