Thin, veined wings are read as delicate freedom — the ability to rise lightly, paired with the sense that it would not take much to tear.
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.