plural noun
Cy·​a·​nas·​tra·​ce·​ae | \ ˌsīəˌnaˈstrāsēˌē \

Definition of Cyanastraceae

: a small family (order Xyridales) consisting of a single genus (Cyanastrum) of tropical African bog or aquatic herbs with tuberous rootstocks and paniculate or racemose flowers

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 Cyanastraceae

New Latin, from Cyanastrum, type genus (from cyan- + Latin astrum star, from Greek astron) + -aceae

Keep scrolling for more

Learn More about Cyanastraceae

Statistics for Cyanastraceae

Cite this Entry

“Cyanastraceae.” The Dictionary, Merriam-Webster Inc., Accessed 13 December 2019.

Comments on Cyanastraceae

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


easily led, controlled, or managed

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!