Definition of ornithomimosaur in English:


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


  • technical term for ostrich dinosaur.
    More 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'.

More definitions of ornithomimosaur

Definition of ornithomimosaur in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody