Dowry 
To dream that you fail to receive a dowry suggests that you will be required to extend every effort in life and deal with a lot of the harsh aspects of business. You may also believe that you will exist without money.
Lover
To dream of a lover represents recognition, self-worth, and acknowledgment of your true character. It may suggest a merging of both your feminine and masculine attributes. You are fulfilled and secure with the person that you are.
To dream of a former lover indicates that you have hang ups and loose ends relating to that specific relationship. Your present relationship may be indicating possible recurrence of those same issues.
Canal
To dream of a canal is reminiscent of a re-birthing experience, particularly if the canal is dark and covered, with a light at the end, like a tunnel.
Seance
To dream of a seance symbolizes your instincts and consciousness. It implies that you must investigate something more thoroughly. It is necessary for you to observe the world rather than focusing on minute details. You may yearn to discover spiritual awareness.
Zombie
To dream of yourself as a zombie may indicate that you are emotionally or physically detached from the people and situations that surround you. You may be feeling out of touch.
Conversely, seeing yourself as a zombie in your dreams indicates a dead feeling inside and may mean that you are simply going through the motions of daily life.
Corpse
To dream of a corpse signifies an attribute or quality that you no longer possess. It may indicate that you have trouble communicating your emotions. Perhaps you are unable to get in touch with those feelings.
Hearse
To dream of seeing a hearse indicates that you need to gear up and move on by letting go of the past and being open to the new changes that will take place in your life.
Medium
To dream of being a medium means to desire to know yourself more deeply. It can indicate frustration in life and things not working the way you want them to.
To dream of visiting a medium means that you may not trust yourself to have the answers. In fact, the dream is clearly indicating that on a deep subconscious level you possess all the answers you will ever need.
Sadism
To dream of behaving sadistically may be enlightening you to a suppressed feeling of anger or rage. Note who or what you are hurting or wanting to hurt and examine your conscience for truth in connection with your everyday interactions.
To dream of being attacked with malicious sadism indicates there is an implication of guilt over wrongdoing in your life. You need forgiveness.
Undead
To dream of the undead or zombies implies that you may be being plagued with old sabotaging thoughts. Note the atmosphere of the dream - is it scary or calm? What is the environment? Habits or memories that hurt you may be coming up more often and you could be feeling overwhelmed. This is simply a sign that you are ready to release yourself from these old and nagging thought systems. Seek some help in clearing old patterns.