ciliatePronunciation: /ˈsɪlɪeɪt/Definition of ciliate noun Zoology a single-celled animal of a large and diverse phylum distinguished by the possession of cilia or ciliary structures. Phylum Ciliophora, kingdom Protista (formerly class Ciliata, phylum Protozoa) adjective Zoology (of an organism, cell, or surface) bearing cilia. Botany (of a margin) having a fringe of hairs. Derivatives ciliated adjective ciliationPronunciation: /-ˈeɪʃ(ə)n/ noun ciliate in other Oxford dictionaries Definition of ciliate in the US English dictionary