from the GNU version of the Collaborative International Dictionary of English
- n. The free-swimming, bivalve larva of certain Bryozoa.
from The Century Dictionary and Cyclopedia
- n. The larva of a gymnolæmatous polyzoan of the genus Membranipora: formerly mistaken for a distinct organism, and referred to a special genus of rotifers by Ehrenberg.
Sorry, no etymologies found.