With two hulls side by side, the catamaran stands for balance and partnership — stability gained by sharing the load. Dream books read it as two sides of a life, or two people, moving together without capsizing.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.