Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

toothache grass

noun

Definition of toothache grass 

: a tall grass (Ctenium aromaticum) of southern U.S. that has dense one-sided spikes and a very pungent taste

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!

Learn More about toothache grass

Share toothache grass

Resources for toothache grass

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near toothache grass

tooth

toothache

toothache bark

toothache grass

toothache tree

toothachy

tooth and nail

Statistics for toothache grass

Look-up Popularity

Comments on toothache grass

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

Show Comments  Hide Comments 

WORD OF THE DAY

tergiversation

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

Ask the Editors

Word Games