Definition of ornithoid in US English:

ornithoid

adjective

Zoology
  • Resembling a bird in structure; like that of a bird; (of fossil eggs) having shells like those of birds' eggs.

Origin

Mid 19th century. From ornitho- + -oid, after French Ornithoïdes (plural), denoting a former subclass of reptiles.

Pronunciation

ornithoid

/ˈɔːnɪθɔɪd/