Any of various ciliate protozoans of the genus Vorticella, having a bell-shaped body and living underwater on a slender stalk often attached to a plant or other object.
Any of a genus (Vorticella) of one-celled ciliates living in water, with a bell-shaped body on a thin, contractile stem serving as a holdfast.
Origin of vorticella
- New Latin Vorticella genus name from Latin vortex vortic- vortex vortex
From American Heritage Dictionary of the English Language, 5th Edition