plural noun Ar·a·ne·i·dae \¦a-rə-¦nē-ə-ˌdē\

Definition of Araneidae

  1. :  a family of spiders (order Araneae synonym Araneida) comprising the orb weavers Spiders of the family Araneidae build the familiar orb webs that are composed of a long thread of sticky silk laid in a spiral pattern on a frame of nonsticky threads. — Robert E. Ricklefs and Gary L. Miller, Ecology, 2000

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of araneidae

borrowed from New Latin, from Araneus araneus + -idae -idae

First Known Use: 1824

Seen and Heard

What made you want to look up Araneidae? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!