apteryx

noun

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

   noun.animal

   Synonyms kiwi

   Source: WordNet 3.0

2. 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.

   noun

   Source: webster1913