Oestrus

//ˈiːstɹəs// noun

Definitions

Noun
  1. 1
    A biting fly of the genus Oestrus; a botfly. countable

    "[…] and which is produced by the larvae of oestri and particularly of Oestrus hemorrhoidalis."

  2. 2
    applies to nonhuman mammals: a state or period of heightened sexual arousal and activity wordnet
  3. 3
    A bite or sting. countable
  4. 4
    A passion or frenzy. archaic, countable
  5. 5
    A female animal's readiness to mate. countable, uncountable

    "In those monoestrous species in which the male is capable all the year round, it is found that the oestri of individual females come at different seasons."

Etymology

Borrowed from Latin oestrus (“gadfly, sting, frenzy”), from Ancient Greek οἶστρος (oîstros), from Proto-Indo-European *h₁eys-, used to form words denoting passion; see also Latin īra (“anger”), Lithuanian aistra (“violent passion”), Avestan 𐬀𐬈𐬯𐬨𐬀 (aesma, “anger”).

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