Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The chin in a dream indicates what a person adorns himself with, such as wealth or prestige. Its beauty indicates a good state. An injury to it indicates a loss in wealth.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The chin indicates the leader of the people. Whatever happens to it reflects on him.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The chin is interpreted as a rich man. Whoever sees that his chin is large will gain wealth and prestige.