Islamic Interpretation of Dreams (Ibn-i Sirin):
(Overcoat; Trench coat) In a dream, a raincoat means comfort, superiority, backing, cooperation and strength.
As for a merchant, wearing a raincoat in a dream means prominence, distinction and fame in his field. Wearing a heavy raincoat in a dream means profits in oneâs material and spiritual life. Wearing a cotton overcoat in a dream means lesser benefits. Wearing silk brocaded overcoat in a dream signifies attachment to oneâs worldly gains and disregard for oneâs religious and spiritual benefits. Being the only person who is wearing an overcoat or a raincoat in a dream means becoming poor and mixing with good people by displaying praiseworthy qualities.
(See Overcoat)