Placenta 
To dream of a placenta hints of an aspect in your life that serves no purpose, or has outgrown its purpose. You are being wakened to relieve yourself of the unnecessary load.
Platinum
To dream of platinum stands for your drive to achieve victory, prosperity, and richness. Your triumphs and achievements are attributed to your willpower and compelling drive. No goals are unreachable for you. Also, it may denote your aloofness.
Plumbing
To dream of plumbing suggests a stream of consciousness and emotions.
When plumbing is clogged, it signifies repressed feelings that must be liberated and expressed.
Postcard
To dream of a postcard suggests you should be candid and accessible.
Preacher
To dream of a preacher signifies a hard lesson learned from having done wrong, and its subsequent feeling of guilt and atonement. It may be that you are being unduly hard on yourself.
Primrose
To dream of a primrose portrays purity and vitality of the young.
Reindeer
To dream of seeing a reindeer denotes your loyalty to friends, especially those who may be going through turbulence in their lives.
Sandwich
To dream of a sandwich indicates that you are harboring feelings of frustration and stress towards some aspect in your life. It can also represent your talent for multitasking. In some situations, a sandwich in your dream may simply be a sandwich.
To see or eat a fish sandwich denotes an inner struggle between faith and reason.
Scissors
To dream that you are using scissors indicates that you have complete command over aspects in your life; you are strong-minded and determined. In addition, it may also signify the need to distance yourself from certain people or situations in your life.
Scorpion
To dream of a scorpion signifies an experience that has caused you great pain or grief. It may also indicate insensitive and resentful words or thoughts that an enemy holds about you. Your dream warns that you may be treading into a territory that can only bring you sorrow and loss. The scorpion symbolizes change and a new beginning. It may be necessary for you to discard previous beliefs and ideals and adopt new ones. Also, the scorpion may be a symbol of a person who was born under the Scorpio zodiac sign.
To see scorpions floating in water signifies that you must resign yourself to the fact that an event or situation has indeed occurred and cannot be changed. There is a possibility that you are experiencing the stages of grief and learning to continue on with your life.