hel·​i·​co·​ni·​us | \ ˌheləˈkōnēəs \

Definition of heliconius

1 capitalized : a large Neotropical genus of long-winged butterflies that are often brilliantly colored or mimetic and that with related American butterflies constitute a subfamily of Nymphalidae or in some classifications the separate family Heliconiidae
2 plural heliconii\ -​ēˌī \ : any butterfly of the genus Heliconius

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!

History and Etymology for heliconius

New Latin, from Latin, of Helicon

Keep scrolling for more

Learn More about heliconius

Statistics for heliconius

Cite this Entry

“Heliconius.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliconius. Accessed 24 Nov. 2020.

Comments on heliconius

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


Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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