in heat

idiom

Definition of in heat

used to describe a female animal that is ready to have sex and is able to become pregnantThe cat is in heat.like a dog in heatan animal that is coming into heat

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“In heat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20heat. Accessed 5 Aug. 2020.

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