plural noun Opis·tho–the·lae

Definition of Opistho–thelae

in some classifications

  1. :  a large suborder of Araneae containing spiders that have nonsegmented abdomens and the first pair of spinnerets unbranched — compare liphistiomorphae

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 opistho–thelae

New Latin, from opisth- + -thelae (from Greek -thēlai, from thēlē nipple)

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!