APTERYX

kiwi, apteryx

(noun) nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes

Source: WordNet® 3.1

Etymology

Noun

apteryx (plural apteryxes)

(dated) kiwi bird

Source: Wiktionary

Ap"te*ryx, n. Etym: [Gr. Aptera.] (Zoöl.)

Definition: A genus of New Zealand birds about the size of a hen, with only short rudiments of wings, armed with a claw and without a tail; the kiwi. It is allied to the gigantic extinct moas of the same country. Five species are known.

Source: Webster’s Unabridged Dictionary 1913 Edition