plural noun
Ar·​che·​go·​ni·​a·​tae | \ -nēˈäˌtē, -ˈāˌ-\

Definition of Archegoniatae

in some classifications
: a primary division of the plant kingdom coextensive with the subkingdom Embryophyta and containing all the plants that produce archegonia (as the mosses, ferns, horsetails, and club mosses)

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 Archegoniatae

New Latin, from archegonium + -atae (from feminine plural of Latin -atus -ate)

Keep scrolling for more

Comments on Archegoniatae

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


behavior toward others

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

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

Love words? Need even more definitions?

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