cup grass

noun

Definition of cup grass

  1. :  any of several grasses constituting a genus (Erichloa) of annual and perennial grasses chiefly of warm or tropical regions; especially :  a common weedy annual grass (E. contracta) of the eastern and central U.S. that has villous spikelets and the second glume acuminate

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!

Origin and Etymology of cup grass

so called from the shape of the callus


Seen and Heard

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

WORD OF THE DAY

to criticize severely

Get Word of the Day daily email!