Stablemate (noun)

An animal, especially a horse, that is kept in the same stable or paddock as another animal.

Origin:

Derived from the word "stable" which means a place where horses are kept, referring to the shared living quarters of animals.

Examples:

1. He rode his stablemate to victory in the Kentucky Derby.
2. The horses were stablemates and shared the same paddock.
3. The stablemates were well trained and competed against each other in races.
4. The stablemates were best friends and always stood next to each other in the paddock.
5. The stablemates were trained by the same trainer and had a strong bond.