-
Trending Now:
More Trending:
- beleaguer scaramouch non sequitur admiral's mast calumny
- ALL
sleepy grass
noun
Definition of sleepy grass
: a tall coarse grass (Stipa robusta) of the southwestern U.S. and northern Mexico that causes a deep sleep in horses or sheep that feed on it
From the M-W Editors
There's more!
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!
Seen and Heard
What made you want to look up sleepy grass? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!