Množina reči apteryx je apteryxes.
ETYM Greek a priv. + pteryx wing. Related to Aptera.
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.
Tailless, flightless bird of New Zealand; kiwi.