Bible Dictionaries
Oestrus

Webster's Dictionary

(1):

(n.) A vehement desire; esp. (Physiol.), the periodical sexual impulse of animals; heat; rut.

(2):

(n.) A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis.

Bibliography Information
Webster, Noah. Entry for 'Oestrus'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/oestrus.html. 1828.