Share this entry
ornithomimosaur Line breaks: or¦ni¦tho|mimo¦saur
Pronunciation: /ˌɔːnɪθə(ʊ)ˈmʌɪməsɔː/

Definition of ornithomimosaur in English:


Technical term for ostrich dinosaur.
Example sentences
  • The only remaining controversy is whether therezinosauroids are closer to ornithomimosaurs or to oviraptorosaurs.
  • Holtz ultimately concludes that ornithomimosaurs and tyrannosaurs probably form a monophyletic group, although his calculations do not yield a clean separation.
  • Previous work with stable nitrogen isotope analysis did not find a significant difference in values between North American ornithomimosaurs and clearly carnivorous theropods such as tyrannosaurids and dromaeosaurids.


1980s: from modern Latin Ornithomimosauria, from Greek ornis, ornith- 'bird' + mimos 'mime' + sauros 'lizard'.

Definition of ornithomimosaur in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources