Definition, Meaning & Synonyms
on-heat
noun
ɒn hiːt

Definition
The condition of a female animal that is ready to breed or mate.

Examples
- The dog was on heat and needed to be kept away from male dogs.
- Farmers monitor their livestock for signs of being on heat to optimize breeding schedules.

Meaning
When a female animal is in heat, she is in a stage of her reproductive cycle where she is fertile and can conceive.

Synonyms
- estrus
- heat
- season