plural noun
Vi·​o·​la·​ce·​ae | \ˌvīəˈlāsēˌē\

Definition of Violaceae 

: a family of herbs, shrubs, and trees (order Hypericales) having pentamerous mostly irregular flowers and a one-celled ovary containing three parietal placentae

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 Violaceae

New Latin, from Viola, type genus + -aceae

Keep scrolling for more

Learn More about Violaceae

Statistics for Violaceae

Look-up Popularity

Comments on Violaceae

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


something that serves to warn or remind

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!