dinoflagellate
Pronunciation: dī′nō-flaj′ĕ-lāt
Definition: A plantlike flagellate of the subclass Phytomastigophorea, some species of which (Karenia brevis) produce a potent neurotoxin that may cause severe food intoxication following ingestion of parasitized shellfish.
[G. dinos, whirling, + L. flagellum, a whip]
