Try Our Apps


The Best Internet Slang

definitive host

noun, Zoology.
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for definitive host
Historical Examples
  • It is not likely that any intermediate host is necessary for the growth of the larv, prior to their access to the definitive host.

    Parasites T. Spencer Cobbold
  • The mosquito is therefore the definitive host rather than the intermediate, as usually stated.

    Handbook of Medical Entomology William Albert Riley
definitive host in Medicine

definitive host de·fin·i·tive host (dĭ-fĭn'ĭ-tĭv)
A host in which a parasite develops to an adult or sexually mature stage. Also called final host.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
definitive host in Science
definitive host
See under host.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for definitive host

Few English speakers likely know this word

Word Value for definitive

Scrabble Words With Friends

Nearby words for definitive host