noun see: ire Date: circa 1890 a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving ; heat
ESTRUS
Meaning of ESTRUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012