alfalfa caterpillar

noun

: the green larva of the alfalfa butterfly that feeds on the foliage of alfalfa through most of North America and is especially abundant and destructive in the southwestern U.S.

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of alfalfa caterpillar was in 1911

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 alfalfa caterpillar

Cite this Entry

“Alfalfa caterpillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alfalfa%20caterpillar. Accessed 28 Nov. 2024.

Love words? Need even more definitions?

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