dinornis

from WordNet (r) 3.0 (2006)

Dinornis
    n 1: type genus of the Dinornithidae: large moas [syn:
         {Dinornis}, {genus Dinornis}]

from The Collaborative International Dictionary of English v.0.48

Dinornis \Di*nor"nis\, n. [NL., fr. Gr. ? terrible + ? bird.]
   (Paleon.)
   A genus of extinct, ostrichlike birds of gigantic size, which
   formerly inhabited New Zealand. See {Moa}. [Written also
   {Deinornis}.] Dinosaur