Definition of polyphemus moth
: a very large American silkworm moth (Antheraea polyphemus) of a yellowish or brownish color with a large eyelike spot in each hind wing and a larva that is very large and bright green with silvery tubercles and with oblique white stripes on the sides and that feeds on the oak, chestnut, willow, cherry, apple, and other trees
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 polyphemus moth
polyphemus from New Latin (specific epithet of Telea polyphemus), from Latin Polyphemus, a Cyclops; from the eyelike spot on its hind wings
Seen and Heard
What made you want to look up polyphemus moth? Please tell us where you read or heard it (including the quote, if possible).