Definition of spike–grass

  1. :  any of several American maritime grasses having large or conspicuous spikelets: such as a :  sea oat; also :  any of several related grasses of the genus Uniola b :  salt grass c :  an annual grass (Leptochloa fascicularis) found in ditches and brackish meadows from New England to Florida

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 spike–grass? 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!