saddle horse

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. A horse bred or schooled for riding.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A horse that has been specially trained for riding, specifically the American Saddlebred.

from the GNU version of the Collaborative International Dictionary of English

• n. a horse suitable or trained for riding with a saddle.

from The Century Dictionary and Cyclopedia

• n. A horse used with a saddle for riding.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. a lightweight horse kept for riding only