What does it mean to dream about cup?
A cup usually stands for what you are offered or what fills your life, so notice whether it was full, overflowing, empty, or hard to reach.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read the cup as a receptive vessel bound up with nourishment and desire, what is taken in and savoured. An empty or broken cup can carry feeling about want or loss.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung might see the cup as a vessel of the feeling life, the receiving feminine principle that holds and offers. A full or overflowing cup can mark abundance, while an empty one points to a need unmet.
Jungian concept (our summary).Modern
Continuity ties the cup to waking thoughts about what sustains you and whether your needs are filled. A cup that is full or empty often echoes a real sense of having enough, or too little.
Continuity hypothesis (our summary).Mythological
The sacred cup runs through myth as the grail sought by heroes and the chalice that confers life or doom. To drink from it was to take in fate, blessing, or the gift of the gods.
Rosmerta Publishing editorial synthesis (after Bulfinch; Brewer).