Source: The Great Interpretation of Dreams (Ibn Sirin)
A plate in a dream indicates the wife, the servant, or the friend. What is in it indicates his/her condition. Breaking it indicates separation or death.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A plate indicates the world and livelihood. A clean plate indicates a good livelihood.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A plate is interpreted as a woman. Whoever sees himself eating from it will gain goodness from a woman.