The Collaborative International Dictionary
Acanthopterous
Acanthopterous \Ac`an*thop"ter*ous\, a. [Gr. ? spine + ? wing.]
(Zo["o]l.) Spiny-winged.
(Zo["o]l.) Acanthopterygious.
Wiktionary
acanthopterous
a. 1 (context zoology English) Spiny-winged. 2 (context zoology English) acanthopterygious