Definition of matgrass

  1. 1a :  matweed 1 b :  a low tufted European grass (Nardus stricta) with one-flowered spikelets c :  spiny rolling grass

  2. 2 :  knotgrass 1

  3. 3 :  a prostrate perennial herb (Lippia nodiflora) of riverbanks in the southwestern U.S. that is used as a soil binder — compare fogfruit

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 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 matgrass? Please tell us where you read or heard it (including the quote, if possible).


a trip made at another's expense

Get Word of the Day daily email!