Marriage 
To dream of a marriage represents change, harmony, and obligations. You are facing a significant stage in your life where you will begin a new journey. It may also symbolize the joining of your various attributes and characteristics, especially the male and female attributes.
To dream of a marriage proposal indicates that some issue will influence you negatively.
To dream that you are getting married to your ex implies that you have come to terms with lessons and errors that you made in that relationship. You have been able to grow and discover new truths about yourself. It may also suggest that if you are in a relationship now, there are similar aspects as your previous relationship. You will not commit similar errors though. You have learned how to make changes.
*See Wedding.
One Eyed
To dream that you only have one eye suggests denial in accepting another point of view. It represents a one-sided and biased approach for a matter at hand.
Washbowl
To dream of a washbowl is an indication that you will soon have a new pastime, hobby, or friend that will bring much peace and happiness to your life. It will become your favorite way to pass the time.
If you are washing from a washbowl, be aware that you may soon become overwhelmed with emotions and feelings for someone in your waking life.
A broken washbowl is an indication that you derive pleasure from hurting those around you. Be careful, you may soon find yourself alone.
Defriend
To dream of being defriended indicates that you may have been in denial of a social anxiety that may be lurking within you. You may have been spending too much time on the computer making false connections and avoiding true intimacy. Dreaming that you are defriending another person is similar in that you may have been experiencing a false sense of power in the way you have been speaking to others online. Thus, you avoid taking any of the cyberspace connections to a more real level.
Gas Mask
To see or wear a gas mask in your dream indicates the need to practice filtering the information you take to heart.
Black Eye
Having a black eye in a dream symbolizes defeat in waking life. Your black eye points to a blow you've taken recently. Experiencing a dream in which someone else has a black eye, you may be feeling bad for this person in waking life.
Not knowing the person with a black eye in your dream symbolizes your subconscious mind suggesting you to be more sympathetic and less argumentative.
Snorkeling
To dream that you are snorkeling indicates that you are searching for understanding regarding certain feelings that you harbor. It also implies that you want to take lessons from your past and change your perceptions in order to avoid making similar mistakes.
Engagement
To dream that you are engaged to be married suggests your desire for intimacy or companionship. You could be attempting to quell your sense of isolation.
To dream that you end an engagement suggests a quick choice about something vital that you should think through.
To dream about a business engagement indicates fear or anxiety within your career life.
Handkerchiefs
To dream that you are waving goodbye with a handkerchief suggests your impending fall from social stature. Something will happen that will put you in shame.
To dream that you lose your handkerchief indicates that you will become separated from your significant other.
To dream that your handkerchief has been dirtied suggests that you will face long odds of patching things up with your significant other.