A lizard drops its tail to escape and grows it back. The image stands for letting go of something to survive, and for the ability to regrow.
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.