noun rhy·nia \ˈrīnēə\

Definition of rhynia

  1. 1 capitalized :  a genus (the type of the family Rhyniaceae) of small leafless dichotomously branching fossil plants with terminal sporangia, a primitive stele, and smooth branching rhizomes — compare horneophyton

  2. 2 plural -s :  any plant or fossil of Rhynia or a closely related genus

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 rhynia

New Latin, from Rhynie, Scotland, where the fossil plant was discovered + -ia

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!