from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Ctenophora including those which have two long tentacles.
from The Century Dictionary and Cyclopedia
- In some systems, a branch or prime division of echinoderms: contrasted with Ambulacrata and divided into three classes, Crinoidea, Cystoidea, and Blastoidea.
- A division of ctenophorans, including comb-jellies with two long tentacles. See cuts under Saccatæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. ctenophores have retractile tentacles
Sorry, no etymologies found.