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alternate host

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noun Ecology.

a host, other than the usual or primary host, on which a parasitic organism can sustain itself.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Scientific definitions for alternate host

alternate host

One of two species of host on which some pathogens, such as certain rust fungi, must develop to complete their life cycles.
A species of host other than the principal host on which a parasite can survive.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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