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Definition of green water snake

green water snake

Plural:green water snakes
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• noun

1

North American A heavy-bodied, nonvenomous semi-aquatic snake (species Nerodia cyclopion or Nerodia floridana) native to the southeastern United States, characterized by dark olive or greenish-brown coloration and commonly found in swamps, marshes, and slow-moving streams.

Example

"While kayaking through the Florida wetlands, the students spotted a large green water snake basking on a low-hanging cypress branch."

Word Nuance & Usage

Often confused with venomous cottonmouths (water moccasins) due to their similar semi-aquatic habitats and thick bodies, though green water snakes are completely harmless.

• Nearby Words

green tree python
green tree skink
green turtle
green water snake
greenbul
greenfinch
greengage

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Green water snake. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/green%20water%20snake
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