Definition of ostrich dinosaur in English:

ostrich dinosaur

Syllabification: os·trich di·no·saur

noun

A lightly built toothless bipedal dinosaur of the late Cretaceous period, adapted for running and somewhat resembling an ostrich. Also called ornithomimosaur.
More example sentences
  • Despite the reptile's resemblance to an ostrich dinosaur, or ornithomimid, Effigia is actually some 80 million years older.
  • Ankle aside, Effigia had large eyes, a long tail, and a toothless beak - not unlike the ostrich dinosaurs.

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Word of the day flagitious
Pronunciation: fləˈdʒɪʃəs
adjective
(of a person or their actions) criminal; villainous