Landau 
To dream that you are riding in a landau indicates that you will meet a fun, cheerful person who will bring joy and pleasure in your life.
To see an overturned landau in your dream indicates sudden halt to the favorable events in your waking life.
Mallet
To dream of a mallet implies disorder in your domestic life. Others will cause you great distress with their callous behavior. They don't seem concerned by the fact that you are not in a perfect physical or emotional state.
Nephew
To dream about your nephew in a favorable condition suggests the possibility of being in a satisfying and friendly situation. On the other hand, to dream of your nephew in an unfavorable situation implies sickness or failure in business.
Pickax
To dream of a pickax symbolizes your brutal sexual urges and hang ups. Let go of your inhibitions.
Picnic
To dream that you are at a picnic represents a happy and peaceful domestic life.
To dream of seeing a picnic basket hints of an opportunity to gain knowledge then impart your thoughts and insights to others.
Pillow
To dream of a pillow denotes relief, recreation, ease, and/or indulgence. Likewise, a pillow symbolizes idleness and may be interpreted as a call to take things easy.
To dream that you are lying on a pillow indicates a need for some mental guidance.
Pliers
To dream of pliers suggests a need to free yourself from unwanted situations. It suggests changing your perspective before making a move. Alternatively, it may mean a necessity to closely examine a situation before acting on it.
Plough
To dream of a plough signifies the creation of new ideas and projects. It may also mean growth and advancement.
Poison
To dream of poison may represent an aspect of your life that is causing negativity, disruption, or illness.
Consumption of poison indicates that you may be inviting something negative into your life. The overwhelming negative features may include feelings, experiences, and emotions.