Shaped like two pyramids joined at the base, the octahedron was Plato’s figure for air. It is read as balance between above and below, and as thought moving freely between them.
Has this come up in your dreams before? What was going on in your life then?
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.