Spiderfs) dream meaning is explained below using 1 different source. Each interpretation is shown with its source.
Interpretation 1 — Stearn Robinson - Tom Corbett
Spiders with one exception (see Tarantula) in a dream are a sign of general good luck; to kill one signifies good news; if it was spinning it augurs approaching money; climbing a wall it’s a harbinger of success in all that concerns you most deeply.
Source: The Complete Guide to Interpreting Your Dreams • Author: Stearn Robinson - Tom Corbett