Phrase guide
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noun
A large, green saturniid caterpillar with a red head; the larval form of the Polyphemus moth (Antheraea polyphemus).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Polyphemus + caterpillar, by analogy with the Polyphemus moth.
