Word.ws English Dictionary

œstrus

œstrus is the obsolete form of oestrus.

Meaning of oestrus

Noun

oestrus (countable and uncountable, plural oestruses or oestri)

  1. (countable) A biting fly of the genus Oestrus; a botfly.
    • […] and which is produced by the larvae of oestri and particularly of Oestrus hemorrhoidalis.1915, American Veterinary Review, page 407
  2. (countable) A bite or sting.
  3. (archaic, countable) A passion or frenzy.
  4. A female animal's readiness to mate.
    • 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.1910, Cleveland Medical Journal, page 517

Forms of œstrus

pluralœstruses
pluralœstri

Words formed from œstrus

Questions about œstrus

What is œstrus the obsolete form of?
Œstrus is the obsolete form of oestrus.

Words near œstrus in the dictionary

  1. œstrogens
  2. œstromania
  3. œstrone
  4. œstruate
  5. œstruates
  6. œstrus
  7. œstruses
  8. œsypum
  9. œthel
  10. œthels
  11. Œting

Source and license

Adapted from Wiktionary: œstrus (page history and authors); oestrus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “œstrus.” Word.ws, https://word.ws/%C5%93strus. Based on Wiktionary, CC BY-SA 4.0.