Umbrella - An umbrella in a dream, signifies pleasant surroundings.

Uncle - To dream of your uncle, signifies that you will save money by the strictest economy.

Undress - To dream that you are undressing, denotes that fair prospects will relieve former anxiety.

Unicorn - Unicorns in a dream, signify that you will be fortunate in the selection of a companion.

Uniform - A uniform signifies progress in your professional life, albeit a slow one.

Urinal - A urinal foretells an idle future.

Urine - To see urine in a dream, foretells ill health.

Note: These dream definitions came from "Lucidity Everywhere". The book is currently out of print. Dream definitions are updated periodically.