cottonmouth

noun

cot·​ton·​mouth ˈkä-tᵊn-ˌmau̇th 

: water moccasin

Examples of cottonmouth in a Sentence

Recent Examples on the Web

Fourteen states named a snake species as their most dangerous animal, from rattlesnakes in the West to copperheads and cottonmouths across the South. — Michelle Del Rey, USA Today, 4 Aug. 2026

For those making weekend trips to Lake of the Ozarks, northern cottonmouths can sometimes be spotted. — Sophie Lindberg, Kansas City Star, 10 June 2026

Other pit vipers include rattlesnakes and cottonmouths. — Charlotte Observer, 8 June 2026

According to the Texas Parks and Wildlife Department, the most common venomous snakes in the state are rattlesnakes, coralsnakes, copperheads, and cottonmouths. — Tiffani Jackson, Fort Worth Star-Telegram, 30 Mar. 2026

Word History

Etymology

from the white interior of its mouth

First Known Use

1832, in the meaning defined above

Phrases Containing cottonmouth

• cottonmouth moccasin

Rhymes for cottonmouth

• drouth
• mouth
• routh

Kids Definition

cottonmouth

noun

cot·​ton·​mouth ˈkät-ᵊn-ˌmau̇th 

: water moccasin

Medical Definition

cottonmouth

noun

cot·​ton·​mouth ˈkät-ᵊn-ˌmau̇th 

: water moccasin