SINCE 1828
dictionary
thesaurus
view recents

walnut spanworm

noun
Save Word

Definition of walnut spanworm

: a worm that is the larva of a geometrid moth (Conoides plumogeraria) and that sometimes defoliates the English walnut in California

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 walnut spanworm

Dictionary Entries Near walnut spanworm

walnut shell

walnut spanworm

walnut sphinx

See More Nearby Entries 

Statistics for walnut spanworm

Cite this Entry

“Walnut spanworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/walnut%20spanworm. Accessed 19 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

nomenclature

Listen to the pronunciation of nomenclature

See Definitions and Examples »

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

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