The dulcimer in dream signifies you are feeling lost in your life. It means you are not sure what you want or who you are anymore. It also means that there is something in your life that needs to be fixed or changed.
In dream interpretation, the dulcimer can represent your inner being or soul. It can also represent your life force and creativity.
In a dream, dulcimer represents the emotions and wisdom coming from your unconscious. It is also a symbol of reliability and trustworthiness in your subconscious.