| Word | Definitions | Synonyms |
|---|---|---|
| apteral | (adjective) having columns at one or both ends but not along the sides | - |
| (adjective) (of insects) without wings | Synonyms: apterous | |
| apterous | (adjective) (of insects) without wings | Synonyms: apteral |
| apteryx | (noun) nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes | Synonyms: kiwi |