pertaining to or involving the estrus.

Is estrous a noun?

noun Zoology. Also es·trum [es-truhm], oestrus. the period of heat or rut; the period of maximum sexual receptivity of the female.

What does estrus mean?

estrus, also spelled Oestrus, the period in the sexual cycle of female mammals, except the higher primates, during which they are in heat—i.e., ready to accept a male and to mate. One or more periods of estrus may occur during the breeding season of a species.