Definition of peacock moth in English:
peacock moth
noun
1Any of several small Eurasian geometrid moths of the genus Semiothisa, especially S. notata, which has pale wings with dark markings.
2A very large Eurasian saturniid moth, Saturnia pyri, with prominent eye-like markings on the wings (more fully giant peacock moth).
Origin
Early 20th century; earliest use found in The New English Dictionary.
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