Ratite a. : Of or pertaining to the Ratitae.

Ratite n. : One of the Ratitae.

Example:
What is a Ratite?

Taxonomy
ratites, ostriches, kiwi, rheas, tinamous, cassowaries, eggs, moas, relatives, Birds, emus, ratite birds, ratite meat, Gondwana, South America, humans, feathers, wings.

Defination from the web:
ratite is any of a diverse group of large, flightless birds of Gondwanan origin, most of them now extinct. ... ( South America also has 47 species of the small and ground-dwelling but not flightless tinamou family, which is closely related to the ratite group. ...