n. Originally, a wild pony, a mustang; later generalized in the West as a name for any horse, often with a derogatory or contemptuous connotation.
See also: cayuse ((n.))
- 1865  Our hardy Indian ponies found many purchasers at good prices.
- 1955  It is a far cry from the days of the stolid little Indian ponies so common among the prairie tribes in the early days of the West.