a series of physiological changes in sexual and other organs in female mammals, extending from one period of heat to the next, accompanied by behavioral changes indicating interest in mating.
[ 1895-1900 ]
a series of physiological changes in sexual and other organs in female mammals, extending from one period of heat to the next, accompanied by behavioral changes indicating interest in mating.
[ 1895-1900 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012