Definition of helenium
1 capitalized : a genus of American herbs (family Compositae) with heads of yellow-rayed flowers and truncate-style branches — see sneezeweed 1
2 plural -s : any plant of the genus Helenium
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 helenium
New Latin, from Latin, a plant, elecampane, from Greek helenion, perhaps from helenē wicker basket; akin to Greek helix (adjective) twisted, (noun) spiral, anything of spiral shape, helissein to turn, wind, eilein to wind, roll, eilyein to enfold, enwrap — more at voluble
Seen and Heard
What made you want to look up helenium? Please tell us where you read or heard it (including the quote, if possible).