The adult female horse is commonly known as a mare. However, there are a few other terms that can describe this majestic equine creature. For instance, some people refer to an adult female horse as a dam. This term is often used in the context of breeding and raising foals. Another synonym for mare is broodmare, which also signifies a female horse used for breeding purposes. Finally, you may hear an adult female horse being called a matron. This term is typically used to describe an older mare who has had several foals and is considered wise and experienced. Regardless of the name, all mares are stunning and powerful creatures with a unique and important place in the animal kingdom.