Definition of estrous in US English:

estrous

(British oestrous)

adjective

  • See estrus

    • ‘Social rank then determines access to estrous ewes during the rut.’
    • ‘In contrast, it is proposed that estrous females on lek easily escape harassment by switching between the small territories.’
    • ‘To assess whether shadowing was linked to estrus, we required an estimate of the likely estrous period for females.’
    • ‘Females advertise their estrous state through vocalizations 3-5 days before its onset.’
    • ‘We conclude that estrous characteristics and pregnancy rates of lactating dairy cows were not influenced by bST treatment.’

Pronunciation

estrous

/ˈɛstrəs//ˈestrəs/