Definitions of mare

1. female equine animal

2. a dark region of considerable extent on the surface of the moon

3. The female of the horse and other equine quadrupeds.

4. Sighing, suffocative panting, intercepted utterance, with a sense of pressure across the chest, occurring during sleep; the incubus; - obsolete, except in the compound nightmare.

5. The female of the horse, and similar animals.

6. The female of the horse.

7. Female of the horse.