robber frog
- noun
- /ˈrɑbər frɔg/
- Specialized
- Many hikers were surprised to learn that the robber frog's croak sounds like a barking dog.
Examples
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Researchers studied the habitat of the robber frog in the arid regions of northern Mexico.
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At night, the distinctive call of the robber frog echoed through the desert canyon.
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The robber frog is known for its unique call.
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Have you ever heard a robber frog bark?
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At night, the distinctive call of the robber frog echoed through the desert canyon.
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Many hikers were surprised to learn that the robber frog's croak sounds like a barking dog.
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Have you ever heard a robber frog bark in the quiet of the night?
Synonyms
A frog that makes a sound like a small dog
A frog from the US and Mexico that makes a barking sound like a dog
Surface Forms
Morphology
robber + frog
The phrase clearly denotes a kind of frog (so a learner who knows 'frog' will infer it refers to a frog), but the specific sense signalled by 'robber' (why the frog is labelled as a 'robber' or its bark-like call and regional identity) is not predictable from the constituents. Thus the compound is partly compositional (type of frog) but the informative meaning is metaphorical/arbitrary and would likely require prior exposure.
Etymology
Robber frog may come from a frog's loud call that sounds like a small dog's 'bark', so people thought it could warn of a robber. That's why this name fits the small frog known for its barking call.