The proper noun is a Herd
A 'herd' is a group of horses.
Sire
a group of horses is called a herd, and a male horse is a stallion
The name given to group 7 elements in the Periodic Table are halogens.
In Australia, a wild horse is known as a brumby.
Family Equidae. Looking at it another way, a wild horse's family or group is called a band or herd.
Reins!
CLYDESDALE
Hipposandals
antifederalists
Brigade
A wolfpack