: a large genus of tropical tree ferns (family Cyatheaceae) having bipinnatifid or tripinnatifid fronds and marginal or submarginal sori with a surrounding membranous cup-shaped indusium and including one species (D. antarctica) that is often cultivated

Word History


New Latin, from James Dickson †1822 English botanist + New Latin -ia

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 Dicksonia

Cite this Entry

“Dicksonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Dicksonia. Accessed 4 Oct. 2023.

Love words? Need even more definitions?

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