Tail 
To dream of an animal's tail represents obstacles and aggravation in situations where peace was anticipated.
To dream that you have grown an animal tail foretells that your scheming and evil ways will catch up with you and give you a lot of trouble and distress.
To dream that you cut off the tail of an animal signifies that you will suffer hardship as a result of your careless ways.
Tick
To dream of seeing or being bitten by a tick means that something is drawing all the vigor out of you. You need to find out what person or situation is causing you to be fatigued.
Wasp
To dream of a wasp is a representation of expressed or repressed anger. A stinging wasp is an indication that someone in your waking life has become jealous of you. Be careful, as their envy may be your downfall. If you kill a wasp, you are of strong moral character. You will stand by your beliefs and be unafraid to defend them.
West
To dream of heading west is a physical representation of opportunities in your near future. You will have the chance to fulfill your dreams or desires.
Conversely, heading west may foreshadow something more ominous. The end of a cherished relationship or a death may be in your future.
Wine
To dream of yourself drinking wine symbolizes companionship, celebration, and festivity.
To see yourself breaking wine bottles indicates that you have overindulged your passions and desires.
Wood
To dream of wood indicates that you may be feeling emotionless or dead inside. You may just be going through the motions of your walking life, or acting without spending time to consider the repercussions of your actions. To see yourself shaping or carving woods symbolizes a creative gesture or act. Conversely, it may also represent vital energy and spirituality.
Wool
To dream of wool represents coziness and warmth. You may be seeking protection from family, friends, or other loved ones.
Yard
To dream of a well-kept and neat yard is a reflection of your ability to organize and maintain the many different aspects of your life, such as family and work obligations.
To see an unkept and messy yard is a reflection that there are aspects of your waking life that are currently out of control.
Yeti
To dream of a yeti implies a need to learn to balance your rational and reasonable side with your more volatile, instinctive, and emotional side.
Yoga
To dream of yoga indicates control of body and mind as well as a general sense of calmness. It implies a great degree of self-control and discipline.