estrous cycle

noun

Definition of estrous cycle

: the correlated phenomena of the endocrine and reproductive systems of a female mammal from the beginning of one period of estrus to the beginning of the next

called also estral cycle, estrus cycle

Examples of estrous cycle in a Sentence

Recent Examples on the Web The fact is that any does not bred a month before, as well a number of fawns entering their first estrous cycle, will come into heat now, and mature bucks are not going to pass up an opportunity to breed. Scott Bestul, Field & Stream, "The 7 Best Days of the 2020 Whitetail Deer Rut," 20 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'estrous cycle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of estrous cycle

1900, in the meaning defined above

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The first known use of estrous cycle was in 1900

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Last Updated

15 Nov 2020

Cite this Entry

“Estrous cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estrous%20cycle. Accessed 23 Nov. 2020.

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More Definitions for estrous cycle

estrous cycle

noun

Medical Definition of estrous cycle

: the correlated phenomena of the endocrine and generative systems of a female mammal from the beginning of one period of estrus to the beginning of the next

called also estral cycle, estrus cycle

More from Merriam-Webster on estrous cycle

Britannica.com: Encyclopedia article about estrous cycle

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