• Oestrus

    Pronunciation

    • IPA: /ˈiːstɹəs/

    Alternative forms

    Origin

    From the Latin oestrus ("gadfly”, “sting”, “frenzy"), from the Ancient Greek οἶστρος, from Proto-Indo-European *eis, used to form words denoting passion; see also Latin ira ("anger"), Lithuanian aistra ("violent passion"), Avestan (aesma, "anger")

    Full definition of oestrus

    Noun

    oestrus

    (plural oestruses)
    1. A biting fly of the genus Oestrus; a botfly.
    2. A bite or sting.
    3. (archaic) A passion or frenzy.
    4. A female animal's readiness to mate; heat, rut.
      • 2001, David Lodge, Thinks...‘It’s the supremely human act, freely to fuck, not because you are on heat, or in oestrus, like an animal, but to give and receive pleasure.’
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