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|Noun||1.||ectozoan - any external parasitic organism (as fleas)|
parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
flea - any wingless bloodsucking parasitic insect noted for ability to leap
|Adj.||1.||ectozoan - of or relating to epizoa|