Dictionary.com
definitions
  • synonyms

red-back spider

[red-bak]
noun
  1. a venomous spider, Latrodectus hasselti, of Australia and New Zealand, related to the black widow spider and having a bright red stripe on the back.
Show More

Origin of red-back spider

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018