Definition of Dicksonia
: 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
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!
Origin and Etymology of dicksonia
New Latin, from James Dickson †1822 English botanist + New Latin -ia
Seen and Heard
What made you want to look up Dicksonia? Please tell us where you read or heard it (including the quote, if possible).