Araneiformes

plural noun
Ar·​a·​ne·​i·​for·​mes
variants: or less commonly Araneiformia \ -​mēə \

Definition of Araneiformes

in old classifications
: pycnogonida

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Araneiformes

Araneiformes from New Latin, from Latin aranea spider + New Latin -iformes; Araneiformia from New Latin, probably alteration of Araneiformes

Keep scrolling for more

Comments on Araneiformes

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

WORD OF THE DAY

readily or continually undergoing change

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!