What is another word for diestrum?
Pronunciation: [dˈiːstɹəm] (IPA) 
Diestrum is a word used to describe the phase in the estrous cycle of mammals during which females are sexually receptive and potentially fertile. There are multiple synonyms that are often used interchangeably with this term, including estrus, heat, and rut. Estrus is the most commonly used synonym for diestrum, as it is the Latin term from which the word was derived. Heat is another frequently used synonym, particularly in the context of livestock and other domesticated animals. Rut is a more specialized term used exclusively to describe the sexual behavior of male deer during the mating season.
