Oestrus - Definition
oestrus
n 1: applies to nonhuman mammals: a state or period of
heightened sexual arousal and activity [syn: estrus,
oestrus, heat, rut] [ant: anestrum, anestrus,
anoestrum, anoestrus]
2: type genus of the Oestridae: sheep botflies [syn: Oestrus,
genus Oestrus]