noun🔗ShareA biting fly of the genus Oestrus; a botfly."The farmer swatted at the Oestrus buzzing around his cattle, trying to prevent them from laying their eggs and causing further irritation. "insectanimalbiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA bite or sting."The child cried after the wasp's oestrus left a red mark on her arm. "physiologybiologyanimalChat with AIVocabulary GamePractice Reading
noun🔗ShareA passion or frenzy."The sudden oestrus for cleaning the entire house at 3 AM surprised everyone in the family. "physiologysexanimalemotionbiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA female animal's readiness to mate; heat, rut."The farmer knew his cow was in oestrus because she was restless and bellowing more than usual, signaling her readiness to breed. "animalphysiologysexbiologyChat with AIVocabulary GamePractice Reading