: having more than one period of estrus in a year

Word History

Etymology

poly- + estrous

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of polyestrous was in 1900

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Cite this Entry

“Polyestrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyestrous. Accessed 22 Mar. 2025.

Medical Definition

polyestrous

adjective
variants or British polyoestrous
: having more than one period of estrus in a year

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