Archaeopteris

noun

Ar·​chae·​op·​ter·​is
ˌärkēˈäptərə̇s
: a genus of fossil plants especially characteristic of the Devonian that were formerly regarded as ferns but are now generally included in the order Cycadofilicales

Word History

Etymology

New Latin, from archae- + -pteris

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of Archaeopteris was circa 1909

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!

Dictionary Entries Near Archaeopteris

Cite this Entry

“Archaeopteris.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Archaeopteris. Accessed 29 Jan. 2023.

Love words? Need even more definitions?

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


Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY