Acanthopterygii
Pronunciation : Ac`an*thop`ter*yg"i*i
Part of Speech : n. pl.
Etymology : [NL., from Gr. (Zo?l.)
Definition : Defn: An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch.
Source : Webster's Unabridged Dictionary, 1913