The meaning of a dream featuring a horse or horses varies greatly with the details and the action so all the elements should be looked up, but as a general guide:
A dream of seeing horses predicts a period of all-round ease.
If your dream involved fear of the animal, it signifies worry over the toss or misplacement of an important document or article of value.
To dream of riding (or sitting on) a horse indicates a coming rise in status, but if you were thrown (or fell off) you will have to cope with a rival who is out to thwart you.
A bucking horse is an augury of unexpected resistance to some current plan.
To be kicked by a horse is a warning against complacency.
A dream of horses fighting is a forerunner to disturbing news concerning a friend.
To dream of a horse being shod is an omen of unexpected money.
Trading horses is a warning of deceit by someone you trust.
Cleaning or grooming a horse foretells a lucky speculation.
Advantageous news is forecast in a dream of seeing a foal, especially auspicious if seen with the mare.
Galloping or racing horses predict swift success.
Seeing a horseshoe in your dream is an omen of general good luck; finding one predicts wealth and/or success beyond your wildest expectation.
Color must also be considered in interpreting a horse dream and the meaning modified as follows: Black signifies delays. White intensifies the positive. Grey indicates preceding difficulties. Sorrel or Piebald pertains to confusion. Brown concerns mental pursuits, and Tan or Palomino relates to love affairs.