The polar bear survives alone in ice and darkness, so it stands for resilience in emotional cold. It is also read as a powerful, solitary force that is at home where others would freeze.
Does the traditional reading fit your dream, or did it mean something else to you?
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.