combining form from Greek aráchnē "spider, spiderweb" — more at arachnid
“Arachn-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arachn-. Accessed 26 Aug. 2026.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!