adjective Her·cyn·i·an \(¦)hər¦sinēən\

Definition of Hercynian

  1. 1 :  of or relating to an extensive mountain range covered with forests in ancient Germany

  2. 2 :  of or relating to the folding and mountain building that took place in the eastern hemisphere in late Paleozoic time — see geologic time table

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 hercynian

Latin Hercynia (silva) Hercynian forest + English -an

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!