Definition of estrous in US English:

estrous

adjective

  • See estrus

    • ‘Males often have overlapping home ranges and compete for access to estrous females; both males and females are generally solitary.’
    • ‘Adult males attempt to maintain exclusive access to estrous females by intimidating other males with displays and occasional chases.’
    • ‘Sniffing for recent scent marks may be a way to learn about the animals living in a particular territory and, especially, to establish whether any of the females are estrous.’
    • ‘Social rank then determines access to estrous ewes during the rut.’
    • ‘Variables included in the model were community size, number of adult males, number of adult females, number of dependent infants, number of estrous females, and rainfall as an approximation for food availability.’

Pronunciation

estrous

/ˈestrəs//ˈɛstrəs/