trichocystPronunciation: /ˈtrɪkə(ʊ)sɪst, ˈtrʌɪ-/Definition of trichocyst noun Biology any of numerous minute rod-like structures, each containing a protrusible filament, found near the surface of ciliates and dinoflagellates. trichocyst in other Oxford dictionaries Definition of trichocyst in the US English dictionary
