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Definition of Estrus
1. Noun. Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity.
Generic synonyms: Physical Condition, Physiological Condition, Physiological State
Antonyms: Anestrus
Derivative terms: Estrous, Rut
Definition of Estrus
1. Noun. (American spelling) (alternative spelling of oestrus) ¹
¹ Source: wiktionary.com
Definition of Estrus
1. the period of heat in female mammals [n -ES]
Medical Definition of Estrus
1. That portion or phase of the sexual cycle of female animals characterised by willingness to permit coitus; readily detectable behavioural and other signs are exhibited by animals during this period. Synonym: heat. Origin: G. Oistros, mad desire (05 Mar 2000)
Lexicographical Neighbors of Estrus
Literary usage of Estrus
Below you will find example usage of this term as found in modern and/or classical literature:
1. Sheep Diseases by Eustace Thurman Baker (1916)
"Flies of peculiar economic value to the sheep industry, such as the Musca
vomitorium (adult of the maggot) and the estrus ovis (adult of the grub in the ..."
2. The Principles and Practice of Veterinary Surgery by William Williams (1882)
"The bot of the ox, (estrus bovis, is best known in this country, and, according
to Mr. Bracy Clark, it is the largest European species of this genus. ..."
3. Objects for the Microscope: Being a Popular Description of the Most by Louisa Lane Clarke (1863)
"... and all the Winter every horse exposed by field work or pasture feeding to
the attacks of the (estrus is full of the larvae which hatch from this egg. ..."
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