Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

water moccasin

play
noun water moc·ca·sin \-ˌmäk-ə-sən\

Medical Definition of water moccasin

  1. :  a venomous semiaquatic pit viper (Agkistrodon piscivorus) of the southern United States closely related to the copperhead—called also ,



Illustration of water moccasin



Seen and Heard

What made you want to look up water moccasin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry prompt oily maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ