Apteryx,
n. [Gr.
'a priv. +
pte`ryx wing. Cf.
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. [1913 Webster]