from the GNU version of the Collaborative International Dictionary of English
- n.pl. An order of fishes without ventral fins, including the eels.
- n.pl. A group of holothurians destitute of suckers. See apneumona.
from The Century Dictionary and Cyclopedia
- An order of fishes to which very different limits have been assigned.
- In De Blainville's system of classification, a division of his Entomozoaria; the apodal, as distinguished from the chætopod, entomozoans.
Sorry, no etymologies found.