Mining 
To dream of mining implies that an adversary is attempting to defame you by dredging up old transgressions.
If you remain close to this mine, you will be facing many hardships and disappointments. If you dream of hunting for mines, you are embarking down a dead end path that will not help you achieve your goals.
Maniac
To dream of a maniac suggests a situation in your waking life may be pushing you over the edge.
To dream of yourself as a maniac indicates that it may be time to hand over control and take a break from a current work project.
To dream of yourself or another person suddenly becoming maniacal implies that you have resentment and you may need to examine stress levels in your waking life.
Magic
To dream that you are performing magic represents numerous future successes. It may also symbolize imagination and successful achievement of goals.
To see others performing magic in your dream implies that your ventures will bring you great prosperity.
To dream of black magic implies that you have used manipulation and unfavorable means to achieve your goals. It can also signify maliciousness and deceit.
Mango
To dream of a mango represents erotic fantasies, passion, and productivity. The mango may also be a play on the words 'man go,' indicating that perhaps you should consider ending a relationship.
Mouse
To dream of a mouse indicates panic, low self-esteem, and passivity. You may be experiencing feelings of inadequacy and inferiority for not being able to measure up to standards. This dream is telling you that it is time to let your voice be heard and your presence acknowledged, instead of hiding in the sidelines. Alternatively, it is also symbolic of small distractions and annoyances you are experiencing. The dream may likewise indicate a computer mouse which links you and the rest of the world.
To dream that you have killed or trapped a mouse suggests that there are persons in your waking life that are literally putting you down,
To dream that someone is eating a mouse means that there is something that you need to get off your chest, which may be guilt or a truth that has to be told.
To dream that a mouse is being chased indicates that you are afraid to make a stand. You are allowing other people to boss you around.
Music
To dream of melodious and comforting music indicates wealth, delight, and the expression of your emotions in an affirmative light. Music mends a hurting soul.
To hear discordant music in your dream symbolizes dissatisfaction and worries in your family life.
Mucus
To dream about mucus generally symbolizes something that is burdening you that you may not be willing to vocalize or speak out about right now. This secret or thought is unhealthy for you to hold in, like as we know it is better to spit out mucus than to swallow it back down. Your subconscious is telling you to share your story, secret, or an opinion that you may have about something, since you are currently letting it affect you in a negative way.
Mace
To dream of mace implies that you are struggling with impartiality and prejudice. You make decisions based on facts and practicality rather than intuition.
Mask
To dream that you are wearing a mask implies that you have said or done something that has been taken out of context. This has caused problems and disharmony with others. It may also mean that you are concealing yourself behind a facade and not allowing others to see who you really are.
To see others wearing a mask in your dream indicates that you will be forced to confront dishonesty, envy, and treachery.
To see others unmasked in your dream suggests that you have been unable to impress another person. Your efforts have failed.
Maze
To dream that you are in a maze implies that you should face a challenge directly. It isn't as difficult as you think. In addition, this dream may represent the various changes in direction that you experience in your life.
Moss
To dream of moss suggests an aging and slow development of an endeavor or a relationship. Your dream is a reminder for you to stretch your patience.
Mice
To dream of mice implies that you should concentrate on more important issues.
To see mice feeding or eating indicates that you are being abused emotionally by someone who wants to make you feel unworthy.
Mass
A dream of mass symbolizes a connection to a set of religious principles.
To dream of going to mass and feeling a great relief represents your need to desire solace in a church or a friend or family member.
Say if you have never attended a Catholic mass before except in your dream, your subconscious may be borrowing symbolism in order to construct a space in which to express spiritual curiosity.
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