Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Zakat in a dream indicates an increase in wealth, blessing, and salvation from hardships. Whoever sees himself paying Zakat will gain wealth and high status.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Zakat indicates payment of debt and healing from illness. It indicates righteousness in religion and worldly life.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Zakat is interpreted as lawful money. Whoever sees himself withholding it will be afflicted with poverty and worry.