Defn: A group of teleostean fishes having spiny fins. See
Acanthopterygii.
ACANTHOPTEROUS
Ac`an*thop"ter*ous, a. Etym: [Gr.
1. (Zoöl.)
Defn: Spiny-winged.
2. (Zoöl.)
Defn: Acanthopterygious.
ACANTHOPTERYGIAN
Ac`an*thop`ter*yg"i*an, a. (Zoöl.)
Defn: Belonging to the order of fishes having spinose fins, as the perch. — n.
Defn: A spiny-finned fish.
ACANTHOPTERYGII
Ac`an*thop`ter*yg"i*i, n. pl. Etym: [NL., from Gr. (Zoöl.)