One thing utilized as a toy horse, including the leg of an adult or a rocking horse.
A horse added to a team of horses to help a wagon through high water or higher tough landscapes.
A child's rocking-horse.
A high or tall horse.
A child's rocking-horse or hobby-horse: commonly used in the adverbial expression on cockhorse, a-cockhorse, on horseback, or just as if on horseback (as when a child rides on a broomstick); thus, in an elevated place; elated; on the high horse.
anything used as a toy horse (such as for instance a rocking horse or one knee of an adult)