Dictionary.com
definitions

definitive host

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

Origin of definitive host

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
definitive host in Medicine

definitive host

[dĭ-fĭn′ĭ-tĭv]
n.
  1. 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.
definitive host in Science

definitive host

[dĭ-fĭn′ĭ-tĭv]
  1. See under host.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.