spar buoy
- noun
- /spɑr buːi/
- Specialized
- Unlike can buoys, a spar buoy floats vertically in the water.
Examples
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The lighthouse keeper checked the spar buoy every week to ensure it was properly anchored.
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The spar buoy marked the entrance to the harbor.
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A spar buoy is often used to mark underwater hazards near shipping lanes.
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Look at that spar buoy floating in the water!
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A spar buoy is often used to mark underwater hazards near shipping lanes.
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The lighthouse keeper checked the spar buoy every week to ensure it was properly anchored.
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Unlike can buoys, a spar buoy floats vertically in the water.
Synonyms
A floating object anchored in water that marks safe routes and hazards
Surface Forms
Morphology
The compound is a straightforward noun+noun construction where 'spar' describes the type or shape of 'buoy' — i.e. a buoy resembling or made from a spar (a long, vertical pole). This compositional pattern is common and predictable cross-linguistically, so a B1 learner who knows both constituents should be able to infer the meaning.
Etymology
Spar buoy comes from the words spar, a long wooden pole, and buoy, a floating marker. The literal picture is a tall pole floating upright like a vertical log, so a spar buoy is a buoy that 'marks' a place or hazard at sea.