plural noun
Ac·​an·​tha·​ce·​ae | \ ˌaˌkanˈthāsēˌē, ˌakən- \

Definition of Acanthaceae

: a family of widely distributed herbs, shrubs, and trees (order Polemoniales) having opposite leaves and tubular bracted irregular flowers with two or four stamens

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!

Other Words from Acanthaceae

acanthaceous \ ¦aˌkan¦thāshəs , ¦akən-​ \ adjective
acanthad \ əˈkan(t)thəd , -​nˌthad \ noun, plural -s

First Known Use of Acanthaceae

1819, in the meaning defined above

History and Etymology for Acanthaceae

New Latin, from Acanthus, type genus + -aceae

Keep scrolling for more

Learn More about Acanthaceae

Time Traveler for Acanthaceae

Time Traveler

The first known use of Acanthaceae was in 1819

See more words from the same year

Statistics for Acanthaceae

Cite this Entry

“Acanthaceae.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on Acanthaceae

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


Test Your Vocabulary

Name that Thing: Flower Edition

Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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