ground roller
- noun
- UK
- The ground roller hunts insects and worms on the forest floor at dusk.
Examples
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Several species of ground roller are endemic to the forests of Madagascar.
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The ground roller is a unique bird found in Madagascar.
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Researchers observed a nesting pair of ground rollers near the riverbank.
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I saw a ground roller while hiking in Madagascar.
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The ground roller hunts insects and worms on the forest floor at dusk.
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Several species of ground roller are endemic to the forests of Madagascar.
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I saw a ground roller while hiking in Madagascar.
Surface Forms
Morphology
The noun phrase is directly compositional: 'ground' (terrestrial) modifies 'roller' (a type of bird), so the meaning 'a roller that lives or forages on the ground' follows straightforwardly from the parts. This modifier+noun formation is a common, cross-linguistic pattern, so a B1 learner who knows both constituents would be able to infer the referent.
Etymology
Ground roller: The name ground roller comes from the bird's habit of living on the forest floor — ground points to the earth and roller shows it belongs to a group of birds called 'rollers'. Because these birds mostly walk and hop on the ground to catch insects at dusk, the name helps us remember they are rollers that live and feed on the ground.