| English noun: copper | 
| 1. | copper (substance) a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor | 
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 | Synonyms | atomic number 29, Cu | 
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 | Broader (hypernym) | conductor, metal, metallic element | 
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 | Narrower (hyponym) | blister copper | 
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 | Substance meronym | bornite, brass, bronze, chalcocite, chalcopyrite, copper glance, copper pyrites, cuprite, malachite, peacock ore | 
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| 2. | copper (possession) a copper penny | 
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 | Broader (hypernym) | cent, centime, penny | 
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| 3. | copper (person) uncomplimentary terms for a policeman | 
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 | Synonyms | bull, cop, fuzz, pig | 
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 | Broader (hypernym) | officer, police officer, policeman | 
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 | Domain usage | colloquialism | 
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| 4. | copper (attribute) a reddish-brown color resembling the color of polished copper | 
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 | Synonyms | copper color | 
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 | Broader (hypernym) | burnt sienna, mahogany, reddish brown, sepia, Venetian red | 
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| 5. | copper (animal) any of various small butterflies of the family Lycaenidae having coppery wings | 
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 | Broader (hypernym) | lycaenid, lycaenid butterfly | 
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 | Narrower (hyponym) | American copper, Lycaena hypophlaeas | 
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 | Member meronym | genus Lycaena, Lycaena | 
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