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1. The male ruler of an empire
    
2. Red table grape of California
    
3. Large moth of temperate forests of Eurasia having heavily scaled transparent wings
   - emperor moth, Saturnia pavonia
    
4. Large richly coloured butterfly
   - emperor butterfly

Derived forms: emperors

Type of: brush-footed butterfly, crowned head, four-footed butterfly, monarch, nymphalid, nymphalid butterfly, saturniid, saturniid moth, sovereign, vinifera grape

Part of: Apatura, genus Apatura, genus Saturnia, Saturnia

Encyclopedia: Emperor