tri·​o·​dia | \ trīˈōdēə \

Definition of triodia

1 capitalized : a genus of Australian and in some classifications American perennial grasses having long narrow leaves and florets with prominently 3-nerved lemmas
2 plural -s : any grass of the genus Triodia : spinifex sense 2

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 triodia

New Latin, probably from Greek, meeting of three roads, from triodos point where three roads meet (from tri- three + hodos way, road) + -ia -y

Keep scrolling for more

Learn More about triodia

Statistics for triodia

Cite this Entry

“Triodia.” Dictionary, Merriam-Webster, Accessed 30 Oct. 2020.

Comments on triodia

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


Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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!