estral cycle

noun

es·​tral cycle ˈe-strəl- How to pronounce estral cycle (audio)
: estrous cycle

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of estral cycle was in 1941

Rhymes for estral cycle

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Browse Nearby Words

estral
estral cycle
estrange
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Cite this Entry

“Estral cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estral%20cycle. Accessed 7 Jul. 2026.

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Medical Definition

estral cycle

noun
es·​tral cycle ˈes-trəl- How to pronounce estral cycle (audio)
variants or chiefly British oestral cycle
ˈē-strəl- How to pronounce estral cycle (audio)
: estrous cycle
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