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definitive host

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noun Zoology.

the host in or on which a parasite spends the sexual stage of its life cycle.

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Origin of definitive host

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for definitive host

definitive host
[ dĭ-fĭnĭ-tĭv ]

n.

A host in which a parasite develops to an adult or sexually mature stage.final host
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for definitive host

definitive host
[ dĭ-fĭnĭ-tĭv ]

See under host.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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