What does a Spider in a dream mean?

Spiders in a dream can represent:
Entrapment
Detailed and delicate work
Hard work
Spinning a web of lies
Spiders have 8 legs - perhaps you need to look into the meaning of the number 8?
What kind of spider was it?
Ex.
Black Widow Spider - poisonous, feared and dangerous
Tarantula - sometimes associated with Vampires because they have fangs