copperhead

noun

cop·​per·​head ˈkä-pər-ˌhed 

plural copperheads

1

: a common pit viper (Agkistrodon contortrix) of the eastern and central U.S. usually having a copper-colored head and often a reddish-brown hourglass pattern on the body

2

disapproving : a person in the northern states who sympathized with the South during the American Civil War

Illustration of copperhead

• copperhead 1

Examples of copperhead in a Sentence

Recent Examples on the Web

In the Southeast, there are several venomous snakes that could potentially cause an injury to a human or pet: three species of rattlesnakes (eastern diamondback, timber, and pygmy), copperhead, cotton mouth (also known as water moccasins), and coral snake, says Maerz. —Arricca Elin Sansone, Southern Living, 1 Aug. 2025

With an opening on each side of their head between the eye and nostril, pit vipers are broken into three groups: copperheads, cottonmouths and rattlesnakes, according to TPWD. —Fort Worth Star-Telegram, 30 July 2025

However fewer snakebite deaths are attributed to the copperhead. —Chad Murphy, The Enquirer, 2 July 2025

What do copperheads look like? Copperheads, as described by N.C. Wildlife, are heavy-bodied snakes with an average adult length of 2 to 3 feet. —Evan Moore july 1, Charlotte Observer, 1 July 2025

Word History

First Known Use

1775, in the meaning defined at sense 1

Rhymes for copperhead

• abovesaid
• aforesaid
• arrowhead
• casinghead
• figurehead
• fountainhead
• gingerbread
• hammerhead
• infrared
• leatherhead
• letterhead
• loggerhead

Kids Definition

copperhead

noun

cop·​per·​head ˈkäp-ər-ˌhed 

1

: a common largely coppery brown poisonous snake of the pit viper family that occurs in the eastern and central U.S.

2

: a person in the northern states who sympathized with the South during the American Civil War

Medical Definition

copperhead

noun

cop·​per·​head ˈkäp-ər-ˌhed 

1

: a pit viper (Agkistrodon contortrix) widely distributed in upland areas of the eastern and central United States that typically attains a length of three feet (0.9 meter), is coppery brown above with dark transverse blotches, and is capable of inflicting a very painful but rarely fatal bite

2

: a very venomous but sluggish Australian elapid snake of the genus Denisonia (D. superba)