To see eagle feathers, denotes that your aspirations will be realized.
To see chicken feathers, denotes small annoyances.
To dream of buying or selling geese or duck feathers, denotes thrift and fortune.
To dream of black feathers, denotes disappointments and unhappy amours.
Dreaming of feathers can have as many interpretations as there are feathers, depending on their actions, their colors, the type of bird that furnished them and where they were found.
Try correlating all the know factors to glean the real answer from your dream.
Generally though, A dream of many feathers floating in the air denotes a mighty stroke of good luck to your finances, while ornamental feathers denote an increase in social affairs; if you brush them off, you will have many small joys.