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|Noun||1.||Samia cynthia - large green silkworm of the cynthia moth|
giant silkworm, wild wilkworm, silkworm - larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
|2.||Samia cynthia - large Asiatic moth introduced into the United States; larvae feed on the ailanthus|