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Definition of water moccasin

water moccasin

Plural:water moccasins
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water moccasin Lexical Profile

• noun

1

American A large, venomous, semiaquatic pit viper (Agkistrodon piscivorus) native to the southeastern United States, characterized by its dark, heavy body and the bright white interior of its mouth which it displays when threatened.

Example

"While kayaking through the Louisiana bayou, the guide warned us to avoid the low-hanging branches where water moccasins are known to rest."

Word Nuance & Usage

The term 'water moccasin' is entirely synonymous with 'cottonmouth,' though colloquially, many people mistakenly apply the name to harmless, non-venomous water snakes found in the same habitats.

Word Origin & Etymology

Coined in American English in the late 18th century. 'Water' denotes its semiaquatic habitat, while 'moccasin' comes from the Algonquian word for a soft leather shoe; early European settlers often applied the term 'moccasin snake' to various dark, thick-bodied snakes, possibly due to their leathery appearance.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Water moccasin. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/water moccasin
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