Definition of "polo pony" []

• A small agile horse specially bred and trained for playing polo (noun)

WordNet. Princeton University. 2010.

• "King was a polo pony from St. Louis, and Prince a many-gaited love-horse from Pasadena."
• "King being a polo pony and Milda a rabbit, they rounded curves beautifully and darted ahead like coyotes out of the way of the wheelers."