plural noun
Ri·​o·​din·​i·​dae | \ ˌrīəˈdinəˌdē\

Definition of Riodinidae

: a family of small or medium-sized often brightly colored butterflies having metallic spots on the wings and the first pair of legs reduced in the males and occurring mostly in the New World tropics

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 Riodinidae

New Latin, from Riodina, type genus + -idae

Keep scrolling for more

Learn More about Riodinidae

Share Riodinidae

Statistics for Riodinidae

Look-up Popularity

Comments on Riodinidae

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


grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

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!