As a room where you may nurture others by serving food, the dining room may present concerns about your family. In your dream, the dining room with its furnishings and serving tools may express a great deal about your attitudes regarding giving and receiving love and nurturing.... Ariadne's Book of Dream
Dreams set in dining rooms are symbolic of relationship status.
If the feeling and events of the dream were positive, this means you are happy in a real life relationship.
If the dream was negative or frightening, you may be feeling nervous or guilty about a friendship situation.
To dream of being alone in a dining room, especially if you were watching others eat, means you are feeling sad and left out. You need more fulfillment, love and friendship in your waking life.... My Dream Interpretation
A dining room table may represent symbolically your ideas about being nurtured and how your ideas may offer others something substantial. Thus, a table that is long with two chairs at opposite ends might comment on the distance that you feel between yourself and another.... Ariadne's Book of Dream