ruellia

noun
ru·​el·​lia | \ rüˈelēə \

Definition of ruellia

1 capitalized : a very large genus of chiefly tropical American herbs and shrubs (family Acanthaceae) that have showy solitary or paniculate flowers with the simple or 2-lobed style recurved at the apex and the ovary 2-celled
2 plural -s : any plant or flower of the genus Ruellia

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!

First Known Use of ruellia

1751, in the meaning defined above

History and Etymology for ruellia

New Latin, from Jean Ruel (latinized Ruellius) †1539 French physician and botanist + New Latin -ia

Keep scrolling for more

Learn More about ruellia

Time Traveler for ruellia

Time Traveler

The first known use of ruellia was in 1751

See more words from the same year

Statistics for ruellia

Cite this Entry

“Ruellia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruellia. Accessed 24 Feb. 2020.

Comments on ruellia

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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

TAKE THE QUIZ
Love words? Need even more definitions?

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