Raven Symbolic of a messenger, Gen. 8:7. A raven can also be a demonic spirit depending on the context of the dream
Raven A bad dream, trouble and mischief brewing (Raphael). Conjugal infidelity (Gypsy). A symbol of knowledge (Hartmann) ; the raven was once dedicated to Apollo; modern symbolism, however, regards this bird as an omen of misfortune (Hulme).