estrus

Definitions of estrus
1

n applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

Synonyms:
heat, oestrus, rut
Antonyms:
anestrum, anestrus, anoestrum, anoestrus
applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
Type of:
physical condition, physiological condition, physiological state
the condition or state of the body or bodily functions

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