(of a female mammal) in the receptive period of the sexual cycle; in oestrus.
‘the female is only on heat for a few days’
‘The first male member of a pride that reaches a female in heat has the mating priority over her.’
‘To become a harem stallion, a male had to abduct fillies in heat one at a time from their father's herds.’
‘A female on heat may mate with several males.’
‘He could smell the equine scents, and he drank them in, glad they were what they were, and not the scents of a female dog in heat.’
‘A neighborhood female dog may be in heat, for example, arousing tensions in dogs of both sexes.’
‘Male cats also may mark in response to the presence of a female cat in heat.’
‘Think of a female dog in heat attracting all those barking mate dogs in the neighborhood.’
‘On the current single ‘Date With The Night’ she rips up the town like a female Godzilla on heat.’
‘Recently the number of incidents increased with the two female dogs on heat.’
‘Female cats can howl overnight when in heat while male cats urinate around the home to mark their domain.’
‘Female pandas typically begin to go on heat at about the age four or five, giving males or eager doctors just one chance to get them in a family way each year.’
‘In the animal world, pheromones attract members of the opposite sex irresistibly when the animal is in heat.’
‘Dairy goats are usually bred in the fall; however, they may be in heat any time from August to January.’
‘This had also happened a few years earlier when the donkey, which was a jack, was more interested in a braying jenny on heat and refused to go anywhere except towards her.’
‘This woman flashes around some cleavage and Harry follows like a dog in heat.’
‘I was like a lioness in heat, prowling toward anyone who caught my fancy.’
‘She wasn't even angry - alright, just a bit - that Nicki rushed off like a dog in heat.’
‘Purring like a cat in heat, Boyle could make a reptile's blood boil to 400 degrees.’
‘As the follicle grows, the estrogen eventually reaches a threshold level that causes the cow to be in heat.’
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