: a genus (the type of the family Anachopteridaceae) of fossil ferns characterized by pinnately divided leaves having all leaflets in the same plane and sporangia on the flattened margins of the ultimate segments

Word History


New Latin, from Late Greek anachoē eruption + New Latin -pteris

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of Anachopteris was in 1874

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 Anachopteris

Cite this Entry

“Anachopteris.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

Love words? Need even more definitions?

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