What's Trending Now
More Trending Words
earth louse
noun
Definition of earth louse
: any of numerous aphids that feed on the roots of plants
Explore M-W
There's more!
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!
Origin and Etymology of earth louse
translation of Latin pediculus terrae
Seen and Heard
What made you want to look up earth louse? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!