from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Protozoa in which a mouthlike opening exists.
from The Century Dictionary and Cyclopedia
- Dujardin's name for the ciliate infusorians, regarded by him as the only animalcules with distinct stomata, or oral apertures: distinguished from Astomata, or the supposed mouthless flagellate infusorians.
Sorry, no etymologies found.