Definition, Meaning & Synonyms

estrus

Noun

ˈɛstrəs

Definition

The recurring period of sexual receptivity and fertility in female mammals, commonly referred to as being in heat.

Examples

Many animals, such as dogs and cats, experience estrus cycles that indicate their fertility.
The female deer was in estrus, attracting male visitors from miles away.
During her estrus period, she exhibited various behaviors to signal her availability to mates.

Meaning

Estrus is a phase in the reproductive cycle of female mammals during which they are sexually receptive and capable of conceiving. This period is often marked by specific behavioral and physiological changes that signal readiness for mating.