Lingerie stands for seduction, self-confidence and the pleasure of being desired. Tradition reads it as an adult wish for intimacy, or for enjoying your own body on your own terms.
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.