in heat

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Idioms and Phrases

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]

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April 20, 2024flabbergast

[flab-er-gast ]

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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