- any protozoan of the phylum Ciliophora (or in some classification schemes, class Ciliata), as those of the genera Paramecium, Tetrahymena, Stentor, and Vorticella, having cilia on part or all of the surface.
- having cilia.
- belonging or pertaining to the phylum Ciliophora.
- possessing or relating to cilia
- of or relating to protozoans of the phylum Ciliophora, which have an outer layer of cilia
- a protozoan of the phylum Ciliophora
