Horse terminology is very diverse, and an inexperienced person will barely understand all the terms and phrases used in horse-breeding. Let's find out the meanings of some of them.

A mare is an adult female horse or other equine, such as zebras or mules. A female donkey is called a jenny. If a mare is used for breeding, it is called broodmare. A dam is the mother of the horse progeny. Another term used in equine studies is filly, which describes a female horse under four. Horses older than 15 are usually considered aged. By the way, the word horse is often used only to describe males, but it's not a strict rule.

More Info: en.wikipedia.org