Definition of definitive host in English:

definitive host

Syllabification: de·fin·i·tive host

noun

Biology
  • An organism that supports the adult or sexually reproductive form of a parasite. Compare with intermediate host.
    More example sentences
    • The worms were using hyena and large cats as definitive hosts and bovids as intermediate hosts.
    • Once in the definitive host's gut, the tapeworm larvae mature into adults and shed eggs, completing the cycle.
    • The next step in the typical, three-host life cycle invariably requires a predatory act by the definitive host.

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Pronunciation: raz
verb
tease (someone) playfully