Ehwaz: (E: Horse, two horses.) Transportation. May represent a horse, car, plane, boat or other vehicle. Movement and change for the better. Gradual development and steady progress are indicated. Harmony, teamwork, trust, loyalty. An ideal marriage or partnership. Confirmation beyond doubt the meanings of the runes around it. Ehwaz Reversed or Merkstave: This is not really a negative rune. A change is perhaps craved. Feeling restless or confined in a situation. Reckless haste, disharmony, mistrust, betrayal.
Ehwaz stands for a horse, and literally that rune means transport, transportation, or a vehicle. Symbolically it means more than that, of course, mostly being the rune of movement, steady flow of progress in your life. Ehwaz can be seen as an opposite to Isa.
Ehwaz is a sign that you will get results in your long and thorough work.
A horse is also a very loyal friend and companion, thus Ehwaz can mean a firm friendship or a lasting relationship/marriage.
The tree for this rune is a (horse) chestnut.