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Definition of rubber boa

rubber boa

Plural:rubber boas
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• noun

1

North American A small, highly docile constrictor snake native to western North America, characterized by smooth, loose skin that resembles rubber and a blunt tail that closely mimics the shape of its head.

Example

"While exploring the damp forest floor in Oregon, the herpetologist gently picked up a rubber boa, admiring its unique, uniformly brown, and seemingly unscaled skin."

Synonyms
View all synonyms for rubber boa

Word Nuance & Usage

Often referred to colloquially as the 'two-headed snake' because of its blunt tail, which it curls up to mimic a head as a decoy to confuse predators.

• Nearby Words

ruamahanga
ruapehu
rubber
rubber boa
rubber tree
rubbernose pleco
rubbish

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Rubber boa. In Wordmom Dictionary. Retrieved Oct 19, 2026, from https://wordmom.com/dictionary/rubber%20boa
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