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Webster 1913 Edition


oestrus

‖

oes′trus

,
Noun.
[L., a gadfly; also, frenzy, fr. Gr. [GREEK] gadfly; hence, sting, fury, insane desire, frenzy.]
1.
(Zool.)
A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is
oestrus ovis
.
2.
A vehement desire.