Hackney (noun)

1. A horse of a breed developed for use as a carriage horse and now used for riding and driving.
2. A horse or pony used for hire, typically for rides in a park or public area.

Origin:

From hackney, a district in london, england, where horses for hire were kept.

Examples:

1. The carriage was pulled by a beautiful hackney.
2. The young girl took a ride on a hackney pony at the fair.
3. A hackney is a horse of a breed developed for use as a carriage horse and now used for riding and driving.
4. Hackneys are known for their high-stepping action and flashy movement.
5. Hackney is also used as a verb, meaning to make something common or trite through overuse.