oestrus

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oes·trus

 (ĕs′trəs)
n.
Variant of estrus.

oestrus

(ˈiːstrəs; ˈɛstrəs) ,

estrus

or

estrum

n
(Zoology) a regularly occurring period of sexual receptivity in most female mammals, except humans, during which ovulation occurs and copulation can take place; heat
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
ˈoestrous, ˈoestral, ˈestrous, ˈestral adj

es•trus

(ˈɛs trəs)
n.
a recurring period of maximum sexual receptivity in most female mammals other than humans; heat.
[1885–90; < Latin oestrus < Greek oîstros gadfly, sting, frenzy]

estrus, oestrus

the condition of being in rut or sexual arousal, applied particularly to the female. Also spelled estrum, oestrum. — estrous, oestrous, adj.
See also: Animals
the condition of being in rut or sexual arousal, applied particularly to the female. Also called est rum, oestrum. — estrous, oestrous, adj.
See also: Sex
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oestrus - applies to nonhuman mammals: a state or period of heightened sexual arousal and activityoestrus - applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions
2.Oestrus - type genus of the Oestridae: sheep botflies
arthropod genus - a genus of arthropods
Oestrus ovis, sheep botfly, sheep gadfly - larvae are parasitic on sheep

estrus

also oestrus
noun
A regular period of sexual excitement in female mammals:
Translations

oestrus

estrus (US) [ˈiːstrəs] Nestro m
References in periodicals archive ?
Females may show signs of estrum over the year, reducing the calving intervals, as observed in the Dorper, White Dorper and Santa Ines breed groups, originally from the Southern Hemisphere; this allows for production of a higher number of lambs.
The treatment was given on day of estrum 6 hours after uterine lavage with sterilized normal saline (NS) using AI sheath.
When female rats are under continuous illumination or pinealectomized, the ovarian weight and the incidence of estrum increase (Tamarkin et al.