oestrus
/ˈiːstrəs
/ /ˈɛstrəs /(US estrus)
noun [mass noun]
A recurring period of sexual receptivity and fertility in many female mammals; heat: a mare in oestrus...
- ‘When the female is in estrus, breeding bulls that are 35 to 55 years old and in their prime can be many miles away,’ Garstang said.
- Judging from mating rate, I found that female topi antelopes in estrus preferred lek males to resource defenders.
- A beef cow has a 21-day estrous cycle, the period from one estrus, or heat, to the next.
Derivatives
oestrous
/ /ˈɛstrəs / adjective ...- In contrast, it is proposed that estrous females on lek easily escape harassment by switching between the small territories.
- Social rank then determines access to estrous ewes during the rut.
- To assess whether shadowing was linked to estrus, we required an estimate of the likely estrous period for females.
Origin
Late 17th century: from Greek oistros 'gadfly or frenzy'.
- get (or keep) the show on the road
- get (or lay)one's hands on
- get (or pull) one's finger out
- get (or put) someone's back up
- get (or receive) one's just deserts
- get (or sink) one's teeth into
- get (or start) off on the right (or wrong) foot
- get (or stick) the knife into (or in) someone
- get (or take) a rise out of
- get (or take or have) the bit between (or in) one's teeth
- get (or take or have) the measure of
- get out
- get out of
- get out of bed on the wrong side (or get up on the wrong side of the bed)
- (get) out of my sight!
- get out of someone's face
- get outside of
- get over
- get over oneself
- get physical
- get real!
- get religion
- get-rich-quick
- get rid of
- get rooted