An organism that supports the adult or sexually reproductive form of a parasite. Compare with intermediate host.
- 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.
For editors and proofreaders
Syllabification: de·fin·i·tive host
Definition of definitive host in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.