Source: The Great Interpretation of Dreams (Ibn Sirin)
Sour pomegranate in a dream is unlawful money or worry and grief. Eating it indicates falling into worry.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Sour pomegranate indicates a woman of bad character. Or it indicates a city whose people are corrupt.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Sour pomegranate is interpreted as worry. Whoever sees himself eating it will be afflicted with worry.