: a regularly recurrent state of sexual receptivity during which the female of most mammals will accept the male and is capable of conceiving : heat
Some mares will exhibit estrus for 15 to 20 days.—
Frederick Harper
Frederick Harper
also
: a single occurrence of this state
Examples of estrus in a Sentence
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During the rut, bucks might even push estrus does into such areas to get them away from rival bucks.
—Josh Honeycutt, Outdoor Life, 14 Nov. 2024
Bucks are cruising, chasing, and tending estrus does.
—Josh Honeycutt, Outdoor Life, 7 Nov. 2024
Early Estrus Does Those with a traditional mid-November rut should see 90 to 95 percent of does enter estrus during the 11th month.
—Josh Honeycutt, Outdoor Life, 24 Oct. 2024
Electricity is used to stimulate cell division, and, when this embryo is still just a bundle of cells on the scale of micrometres, a second dog, also in estrus, is operated on to become a surrogate mother.
—Alexandra Horowitz, The New Yorker, 24 June 2024
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Josh Honeycutt, Outdoor Life, 14 Nov. 2024
Bucks are cruising, chasing, and tending estrus does.
—Josh Honeycutt, Outdoor Life, 7 Nov. 2024
Early Estrus Does Those with a traditional mid-November rut should see 90 to 95 percent of does enter estrus during the 11th month.
—Josh Honeycutt, Outdoor Life, 24 Oct. 2024
Electricity is used to stimulate cell division, and, when this embryo is still just a bundle of cells on the scale of micrometres, a second dog, also in estrus, is operated on to become a surrogate mother.
—Alexandra Horowitz, The New Yorker, 24 June 2024
See all Example Sentences for estrus
Dictionary Entries Near estrus
Cite this Entry
“Estrus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estrus. Accessed 28 Nov. 2024.
Copy CitationKids Definition
estrus
noun
es·trus
ˈes-trəs 
1
: a periodic state during which the female of most mammals is willing to mate with the male and is capable of becoming pregnant
2
estrous
adjective
-trəs
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