Definition of definitive host in English:

Share this entry

definitive host


An organism which supports the adult or sexually reproductive form of a parasite. Compare with intermediate host.
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.

For editors and proofreaders

Line breaks: de|fini|tive host

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.