The oak tree is a dream having a special meaning. The old oak tree means great and healthy life the one is going to have. The oak tree that has acorns, represents the abundance in your waking life. If you just got married and see an oak tree in a dream, then it means many children and happiness you will have. Overall, the oak tree is the symbol of abundance and greatness, but only if it is healthy one.
Read more about dreaming of Oak tree in other dream meanings interpretations.