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Definition of water snake

water snake

Plural:water snakes
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water snake Lexical Profile

• noun

1

Any of various nonvenomous or mildly venomous colubrid snakes that are highly adapted to an aquatic or semi-aquatic lifestyle, typically found in or near freshwater lakes, streams, and marshes.

Example

"As the canoe drifted silently near the reeds, we spotted a brown water snake sliding off a log into the shallow river."


2

North American A large, heavily bodied, nonvenomous semi-aquatic snake belonging to the genus Nerodia, native to North America and known for its aggressive defensive behavior when threatened.

Example

"The common northern water snake is frequently misidentified as a venomous cottonmouth due to its similar dark banding and habitat preferences."

Word Nuance & Usage

While 'water snake' strictly refers to nonvenomous semi-aquatic snakes (such as those of the genus Nerodia), it is frequently confused in everyday speech with the venomous water moccasin (cottonmouth).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Water snake. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/water snake
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