…This means that secret enemies are uniting against you. For a maid to see a cannon–ball, denotes that she will have a soldier sweetheart. For a youth to see a cannon–ball, denotes that he will be called upon to defend his country….
Dream dictionary: Cannon-Ball dream meanings
…To see a cannon ball, denotes misfortune. Lucky lottery dream numbers – 6, 2,…
To dream of being in a ball means joy, pleasure, happiness and success. To be in a theatre and see a ballet perform, represents the satisfaction and tranquility. A cannon ball, represents distress and inquietude.