plural noun Li·bel·lu·li·dae \ˌlībəˈlüləˌdē\

Definition of Libellulidae

  1. :  a large family of dragonflies having the abdomen triangular in cross section and females without a well-developed ovipositor — see libellula

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of libellulidae

New Latin, from Libellula, type genus + -idae

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!