from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a large group of fishes of the superorder Acanthopterygii, having bony skeletons and spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.
from the GNU version of the Collaborative International Dictionary of English
- adj. Belonging to the order of fishes having spinose fins, as the perch.
from The Century Dictionary and Cyclopedia
- Of or pertaining to the Acanthopterygii; having the characters of the Acanthopterygii.
- n. One of the Acanthopterygii; a fish with spiny fins.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a teleost fish with fins that are supported by sharp inflexible rays
From New Latin Acanthopterygiī, superorder name : acantho- + Greek pterux, pterug-, wing, fin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From New Latin, from acanthus ("thorn"), (from Ancient Greek ἄκανθος) + Ancient Greek πτερυγίων (pterugion) diminutive of πτέρυξ (pterux, "wing, fin"), from πτερόν ("feather, wing"). (Wiktionary)