Source: The Great Interpretation of Dreams (Ibn Sirin)
A burnous in a dream indicates leadership and kingship. Wearing it indicates gaining authority or marriage.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A burnous indicates a noble man of position. It indicates Hajj or Umrah.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A burnous is interpreted as goodness and prestige. Whoever sees himself wearing one will attain goodness and prestige.