in heat


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*in heat

in a period of sexual excitement; in estrus. (Estrus is the period of time in which females are most willing to breed. This expression is usually used for animals. It has been used for humans in a joking sense. *Typically: be ~; get [into] ~; go [into] ~.) Our dog is in heat. She goes into heat every year at this time.
See also: heat

in heat

In a state of sexual excitement immediately preceding ovulation. For example, Our cat's in heat so we have to keep her inside. This expression applies to most female mammals and indicates the period when the animal is fertile and most receptive to mating. [Mid-1700s]
See also: heat
References in periodicals archive ?
Howe, like Johnston, finished better than he had started by splitting Harris and Kylmakorpi in heat 14, and Richardson outgated Nicholls in 15 as Johnston kept Kylmakorpi at the back, but it was token defiance from a Monmore side who had long since surrendered the match and the bonus point.
JOONAS KYLMAKORPI: The Finn's overhaul of Fredrik Lindgren in heat nine was the night's champagne moment.
Another 5-1 in heat 12 edged Belle Vue ahead but Sullivan and Billy Hamill were too hot for Hurry and Brent Werner in heat 13 and the scores were back level.
Sullivan and skipper Hamill then teamed up again in heat 15 to win it for the Bees.
Ebdon, famous for some unsavoury run-ins with ex-Bees skipper Hans Nielsen, also allowed Steve Johnston to get away with almost spearing Brian Andersen in heat three, and it was to the Bees skipper's credit that he got on with the job of repassing Johnston for third place.
An impressive Scott Robson led Jan Staechmann and Todd Wiltshire for three and a half laps in heat six before the Dane stole past him, while Andersen got under Lawrence Hare on the last lap of heat seven - pressuring the Cheetahs reserve to fall - and then served up a brilliant ride to take heat 10.