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.
Ribbon
To dream of floating ribbons signifies agreeable friends and buddies.
For a single person to be adorned with ribbons forewarns or a life-changing mistake. This is likely to be a marriage based on merriment.
To see others decorated with ribbons connotes possible enmity. It also refers to hindrances and troubles in finding a life partner. You may have difficulty in establishing solid and meaningful relationships.
Salami
To dream about salami may represent feelings of inadequacy and failure. To have a dream involving salami may also reflect problems or sexual concerns in a relationship.
Seance
To dream of a seance symbolizes your instincts and consciousness. It implies that you must investigate something more thoroughly. It is necessary for you to observe the world rather than focusing on minute details. You may yearn to discover spiritual awareness.
Sickle
To dream of a sickle represents your efforts and determination. It is symbolic of your labor and hard work. The symbol may also be a clever word play on 'sicko.'
Sister
To dream of your sister represents the bond that you both share. Either you are very close or you are often in conflict with each other. Perhaps your sister reflects the position you hold within your family and your feelings regarding acceptance. It may also imply that your sister and some other person you associate with share the same attributes. This dream may also be symbolizing a nun and therefore imply that you may be having emotional conflicts.
If you do not have a sister and dream that you have one, then it implies that you possess certain qualities that you have not discovered as of yet. Consider what the sister is saying and doing.
Spades
To dream of the ace of spades represents impulsiveness, playfulness, and callousness. It may also be symbolic of control and rivalry. You feel that you must always dominate every situation.
Tattoo
To dream that your body has a tattoo signifies an urgent business matter. This matter will need your immediate attention and take you away from friends and family. The tattoo may also indicate life changes.
To see tattoos on those around you is a warning. Someone in your waking life will soon become jealous of you and what you have achieved.
To dream that you and a friend are getting a tattoo symbolizes the true friendship you share together.
To dream that you are a tattoo artist is a reminder that not everyone around you will accept the lifestyle you have chosen for yourself.
Tennis
To dream about playing tennis foretells that new developments are on the horizon and that you need to act forcefully. You might perceive that you must repeatedly assert yourself. However, you might be incapable of taking charge. You are vacillating between the two extremes.
Also, since a tennis term is 'love,' the game could represent amorous feelings or behavior.