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 Meaning of OESTRUS
| Pronunciation: |  | 'eestrus 
 
 |  |  WordNet Dictionary |  |  |  |  | Definition: |  | 
[n]  type genus of the Oestridae: sheep botflies  [n]  applies to nonhuman mammals: a state or period of heightened sexual arousal and activity   |  |  |  |  | Sponsored Links: |  |  |  |  |  |  | Synonyms: |  | estrus, genus Oestrus, heat, rut |  |  |  |  | Antonyms: |  | anestrum, anestrus, anoestrum, anoestrus |  |  |  |  | See Also: |  | arthropod genus, family Hypodermatidae, family Oestridae, Hypodermatidae, Oestridae, Oestrus ovis, physiological condition, physiological state, sheep botfly, sheep gadfly |  |     |  |  Webster's 1913 Dictionary |  |  |  |  | Definition: |  | \[OE]s"trus\, n. [L., a gadfly; also, frenzy, fr.Gr. ?
gadfly; hence, sting, fury, insane desire, frenzy.]
1. (Zo["o]l.) A genus of gadflies. The species which deposits
   its larv[ae] in the nasal cavities of sheep is {[oe]strus
   ovis}.
2. A vehement desire; esp. (Physiol.), the periodical sexual
   impulse of animals; heat; rut.
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