A jet engine is read as raw thrust — ambition, speed and the push needed to lift off. Its roar can also stand for overwhelming force or a pace that is hard to keep.
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.