acorn moth


Definition of acorn moth

  1. :  a small, whitish-gray moth (Valentinia glandulella synonym Blastobasis glandulella of the family Blastobasidae) chiefly of the central and eastern United States with larvae that develop inside nuts and especially acorns As the autumn wears on, increasing numbers of acorn moths … gain access to acorns on the ground through insect holes, cracks, and sprouts. — Mark W. Moffett, National Geographic, June 1989 The larvae of acorn moths frequently enter acorns through holes made by acorn weevils.

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Circa 1871

First Known Use of acorn moth

circa 1871

Seen and Heard

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


capable of being understood in two ways

Get Word of the Day daily email!