say it: PER-uh-sahyt
parasite is a noun meaning "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". It carries 2 recorded senses.
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
plant
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for parasite come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.