The Collaborative International Dictionary
Apterous
Apterous \Ap"ter*ous\, a.
(Zo["o]l.) Destitute of wings; apteral; as, apterous insects.
(Bot.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate. [1913 Webster] ||
Wiktionary
apterous
a. 1 (context zoology English) Destitute of wings; wingless. 2 (context biology English) Destitute of winglike membranous expansions, as a stem or petiole.
WordNet
apterous
adj. (of insects) without wings [syn: apteral]