A river delta splits one flow into many channels, and it stands for choices branching out and energy spreading in several directions. Tradition also reads it as fertile ground built up over time.
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.