a regularly occurring period of sexual receptivity in most female mammals, except humans, during which ovulation occurs and copulation can take place; heat
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
estrus, estrusorestrum
—n
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
estrum, estrusorestrum
—n
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]