mare
n. countable B1 Intermediate US //ˈmɛɹ// mare
n. an adult female horse. You use this word to talk about the gender of the animal, especially on a farm or in racing.
n. a fully mature female horse or other equine animal. Often used in agricultural or equestrian contexts to distinguish from stallions or geldings.
The mare gave birth to a healthy foal this morning.
The farmer decided to keep the mare for breeding because of her calm temperament and strong build.
In competitive horse racing, a mare may occasionally compete against stallions, though they are frequently entered into specific races restricted to female horses to ensure a more balanced field.