Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The mill in a dream indicates war, dispute, or travel. Its turning indicates the continuation of the matter. Its stopping indicates the stopping of one's situation.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The mill indicates a man who unites people. It may also indicate a wife or a servant.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The mill is interpreted as sustenance and livelihood. Whoever sees himself grinding with it will gain sustenance with fatigue.