Oestrus is a 7 letter word which starts with the letter O and ends with the letter S for which we found 2 definitions.
Definition |
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(n.) A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis. |
(n.) A vehement desire; esp. (Physiol.) the periodical sexual impulse of animals; heat; rut. |