1. Venomous semiaquatic snake of swamps in southern United States
   - cottonmouth, cottonmouth moccasin, Agkistrodon piscivorus 
2. Any of numerous North American water snakes inhabiting fresh waters

Derived forms: water moccasins

Type of: pit viper, water snake

Part of: Agkistrodon, Ancistrodon, genus Agkistrodon, genus Ancistrodon, genus Natrix, Natrix

Encyclopedia: Water moccasin

• under a cloud
• under arms
• under attack
• under fire
• under it
• under that
• under the circumstances
• under the weather
• under wraps
• under-represent
• under-the-counter
• under-the-table
• underachieve
• underachievement
• underachiever
• underact
• underactive
• underage
• underarm
• underbelly
• underbid
• underbodice
• underbody
• underboss
• underbred