In the reality the spider Black widow is known as destroying its partner, therefore your dream symbolizes the feminine aspects of you and how much of the domination in your personality they take, no matter if you are men or women.... (Black Widow)
Your dream mainly consists of these symbols: black, spider. For deeper and better understanding it's recommended to read the individual meanings of each symbol. To find out what other interpretations, that are based on distinct character's symbolism, the dream about black spider have, click on these links: black, spider, or you can search manually by using synonyms of these words.