We found 3 dictionaries that define the word red back spider:

General (2 matching dictionaries)

1. red-back spider: Infoplease Dictionary
2. red-back spider, red back spider: Dictionary.com

Medicine (1 matching dictionary)

3. Red-back spider: Medical dictionary

▸ Words similar to red back spider ▸ Usage examples for red back spider ▸ Idioms related to red back spider ▸ Wikipedia articles (New!) ▸ Words that often appear near red back spider ▸ Rhymes of red back spider ▸ Invented words related to red back spider