To dream a peacock - to difficulties in communication with people around. If dreamed you that you see how the peacock spread the tail, then in reality you should not trust promises which your acquaintances make. If in a dream you hear shouts of a peacock, then you should be ready to the fact that troubles can affect wellbeing of your family.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.