Meanings
nounestrus (countable and uncountable, plural estruses)
plural estruses
- USalternativecountableuncountableAlternative spelling of oestrus.
Bovine cervical mucus is more suitable for precise chemical and physical studies because much larger quantities can be obtained—as much as 150 ml may often be harvested from a single cow during estrus.
1963, A. J. Sobrero, “Sperm Migration in the Female Genital Tract”, in Carl G. Hartman, editor, Mechanisms Concerned with Conception: Proceedings of a Symposium Prepared under the Auspices of the Population Council and the Planned Parenthood Federation of America, New York, N.Y.: The Macmillan Company, →LCCN, page 174
Synonyms & antonyms
nounapplies to nonhuman mammals: a state or period of heightened sexual arousal and activity
Opposite
Broader
physical conditionphysiological statephysiological condition
Synonym sets from Open English WordNet, CC BY 4.0.
Rhymes & wordplay
Anagrams
Cite this entry
APA
estrus. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/estrus
MLA
“estrus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/estrus. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “estrus,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/estrus.
Source: estrus on Wiktionary, CC BY-SA 4.0.