Definition of ornithomimosaur in English:

Share this entry


Pronunciation: /ˌɔːnɪθə(ʊ)ˈmʌɪməsɔː/


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'.

For editors and proofreaders

Line breaks: or¦ni¦tho|mimo¦saur

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.