Definition of oviraptorosaur in US English:

oviraptorosaur

noun

  • A dinosaur of the Cretaceous group Oviraptorosauria, which includes oviraptorids and related theropods.

Origin

1980s. From scientific Latin Oviraptorosauria from Oviraptor, genus name + -o- + -sauria; compare -saur.

Pronunciation

oviraptorosaur

/ˌəʊvɪˈrapt(ə)rəsɔː/