1 of 2


variants or less commonly cat's-tail grass
plural cats'-tails
: any of several grasses of the genus Phleum
especially : timothy


2 of 2

variant of cattail sense 1

Word History



Middle English cattestail, a kind of plant, probably mullein, from cattes (genitive of cat entry 1) + tail

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!

Dictionary Entries Near cat's-tail

Cite this Entry

“Cat's-tail.” Dictionary, Merriam-Webster, Accessed 14 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!