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Definition of river jack

river jack

Plural:river jacks
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• noun

1

A heavily built, highly venomous snake species belonging to the viper family, native to the swamps and rainforests of western and central Africa, characterized by exceptionally vibrant geometric color patterns and prominent horn-like scales on its snout.

Example

"Due to its striking geometric coloration, the river jack is widely considered to be one of the most visually spectacular venomous snakes in Africa."

Synonyms
View all synonyms for river jack

• Nearby Words

risotto
river birch
river cooter
river jack
river otter
riverside
rivet

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of River jack. In Wordmom Dictionary. Retrieved Oct 20, 2026, from https://wordmom.com/dictionary/river%20jack
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