blue oat grass

noun

Definition of blue oat grass

: a tufted, perennial, evergreen grass (Helictotrichon sempervirens) native to southwestern Europe that is grown as an ornamental for its thin, stiff, grayish-blue leaves and straw-colored, erect, panicled spikelets Glimmering blue oat grass makes perfect evergreen hemispheres of icy blue between the stonelike mounds of hebes.— Ann Lovejoy, Seattle Post-Intelligencer, 26 June 2003 Plants such as blue oat grass harmonize with the colors of the flower blossoms and add contrasting shape.— Susan Davis Price, Minnesota Monthly, June/July 2005

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 blue oat grass

1973, in the meaning defined above

Keep scrolling for more

Learn More About blue oat grass

Time Traveler for blue oat grass

Time Traveler

The first known use of blue oat grass was in 1973

See more words from the same year

Dictionary Entries Near blue oat grass

blue oak

blue oat grass

blue ointment

See More Nearby Entries 

Statistics for blue oat grass

Cite this Entry

“Blue oat grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20oat%20grass. Accessed 18 Oct. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!