Definitions

1. adjective

relating to or characteristic of estrus, especially in female mammals.

“The estrous cycle of the cat can be difficult to determine.”

2. noun

a period of estrus in a female mammal, typically marked by ovulation and receptiveness to mating.

“The farmer noticed that the sow was in estrous and was ready to mate.”

3. noun

estrus, especially in female mammals.

“The veterinarian explained the importance of identifying the estrous cycle in livestock.”