Definition of whitetop

1a(1) : a redtop (Agrostis alba)
(2) : a grass (Fluminea festucacea) of northwestern North America that is an important source of food for wild birds
(3) or less commonly white topped grass : any of several grasses of the genus Danthonia (especially D. pilosa)
c : any of several Australian eucalypts especially : a widely distributed blackbutt (Eucalyptus pilularis)
2 : a covered wagon with a white top

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!

First Known Use of whitetop

1803, in the meaning defined at sense 1a(1)

Keep scrolling for more

Learn More about whitetop

Time Traveler for whitetop

Time Traveler

The first known use of whitetop was in 1803

See more words from the same year

Statistics for whitetop

Cite this Entry

“Whitetop.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/whitetop. Accessed 6 December 2019.

Comments on whitetop

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


very cautious or careful

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?


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

Love words? Need even more definitions?

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