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WordReference Random House Learner's Dictionary of American English © 2024cop•per•head /ˈkɑpɚˌhɛd/USA pronunciation n. [countable]- Reptilesa North American snake, a pit viper having a copper-colored head.
- American History[Copperhead] a Northerner who supported the South during the Civil War.
WordReference Random House Unabridged Dictionary of American English © 2024cop•per•head (kop′ər hed′),USA pronunciation n. - Reptilesa venomous snake, Agkistrodon (Ancistrodon) contortrix, of the eastern and southern U.S., having a light-brown to copper-red body marked with darker bands.
- Reptilesan extremely venomous but sluggish snake, Denisonia superba, of Australia and Tasmania, having a reddish to black body, depending on the region.
- American History(cap.) [U.S. Hist.]a Northern Democrat who opposed the Civil War, advocating peace and restoration of the Union even if slavery continued.
- Military(cap.) a finned, 155mm cannon-launched U.S. Army artillery shell that homes on the target, using the reflection of a laser beam projected by a forward observer.
- copper1 + head 1765–75, American.
Collins Concise English Dictionary © HarperCollins Publishers:: copperhead /ˈkɒpəˌhɛd/ n - a venomous reddish-brown snake, Agkistrodon contortrix, of the eastern US: family Crotalidae (pit vipers)
- a venomous reddish-brown Australian elapid snake, Denisonia superba
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