definitive host

noun

Definition of definitive host

: the host in which the sexual reproduction of a parasite takes place — compare intermediate host sense 1

Examples of definitive host in a Sentence

Recent Examples on the Web Ants infected by a roundworm called Myrmeconema neotropicumturns turn from black to red and strike suicidal berry poses that attract hungry birds, the worm’s definitive host. Joe Pappalardo, Popular Mechanics, 23 Sep. 2019 Dogs and other carnivores are the definitive hosts, and mosquitoes serve as vectors. Marci Robin, Allure, 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'definitive host.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of definitive host

1901, in the meaning defined above

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Time Traveler for definitive host

Time Traveler

The first known use of definitive host was in 1901

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Dictionary Entries Near definitive host

definitive callus

definitive host

definitize

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Cite this Entry

“Definitive host.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/definitive%20host. Accessed 26 Jun. 2022.

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More Definitions for definitive host

definitive host

noun

Medical Definition of definitive host

: the host in which the sexual reproduction of a parasite takes place — compare intermediate host sense 1

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