from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having fins supported by flexible cartilaginous rays; not spiny-finned. Used of bony fishes.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the fin rays cartilaginous or flexible; without spines; -- said of certain fishes.
from The Century Dictionary and Cyclopedia
- In ichthyology, having no fin-spines; spineless; anacanthine; malacop-terous; malacopterygian. See Malacopterygii.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to fish with soft fins
Sorry, no etymologies found.