These caterpillars move nose to tail in a long line. Dream books read the image as following the crowd, and as the comfort and the risk of never leaving the line.
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.