vorticella
/ˌvɔːtɪˈselə/noun
1- Zoology a sedentary, single-celled aquatic animal with a contractile stalk and a bell-shaped body bearing a ring of cilia【动】钟虫。
1.1
- Genus Vorticella, phylum Ciliophora, kingdom Protista.钟虫属, 纤毛门, 原生生物界。
词源
late 18th cent.: modern Latin， diminutive of Latin vortex, vortic- 'eddy'.