Source: The Great Interpretation of Dreams (Ibn Sirin)
Urine in a dream is unlawful money. Whoever urinates in an unknown place will marry from its people. Whoever urinates in a well will spend lawful money. Whoever urinates blood has cohabited with a menstruating woman.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Urine indicates sustenance or a child. Whoever urinates in a mosque will be blessed with a scholarly child. Whoever urinates on merchandise will lose in it.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Urine is interpreted as money. Whoever sees himself urinating will spend money.