What does it mean to dream about ship?
A ship usually stands for a larger journey or undertaking, whether a venture, a life's voyage, or the carrying of many concerns at once.
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 a grand vessel of the self and its ambitions, setting out across the water of feeling.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see the self embarked on a great passage, the collective voyage across the unconscious sea.
Jungian concept (our summary).Modern
Continuity ties ships to waking ventures, transitions, and the sense of being underway on something large.
Continuity hypothesis (our summary).Mythological
The great voyages of myth, the Argo and the ships of Odysseus, made the ship the vessel of quest and the crossing toward a destined shore.
Rosmerta Publishing editorial synthesis (after Bulfinch).