Horses symbolize strength, speed, and endurance. It also indicates having control over things and directing them towards your aim. The same holds true in dreams involving horses.
The common expression, 'get off your high horse' refers to the need to be less arrogant and to be more down to earth.
To dream of a dark horse reflects mystery and danger. Such dreams are commonly among gamblers and those who take too many risks.
To dream of a white horse signifies purity and good fortune. It indicates the image of a prince charming and his white horse coming to save the princess. Being chased by a white horse reflects trouble in dealing with sexuality.
Seeing a dead horse in a dream demonstrates loss in a relationship. Seeing a herd of wild horses refers to freedom and wildness.
To dream of riding a horse suggests scarcity of resources that hinders achievement of goals.
Riding an untamed horse is a sign that you're being carried away by your emotions.