can buoy
- noun
- /kæn bɔɪ/
- Specialized
- A bright red can buoy floated nearby, indicating the safe navigation channel.
Examples
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The sailor spotted a can buoy marking the entrance to the harbor.
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The can buoy helped guide the boat through the treacherous waters at night.
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Bobbing in the water: a can buoy.
Fiction book (2002)
Synonyms
A floating object anchored in water that marks safe routes and hazards
A floating sea marker with a round bottom and a cone top
Surface Forms
Morphology
This is a straightforward noun–noun compound where 'can' specifies a subtype and 'buoy' denotes a floating navigational marker; the overall meaning is simply a buoy of the 'can' type. If a B1 learner knows both constituent meanings (including the nautical sense of 'can'), the compound meaning is directly derivable and follows common cross-linguistic naming patterns.
Etymology
The noun can buoy comes from its shape: sailors said the floating buoy looked like a large metal can, so it became a simple 'marker' on the water. That's why can buoy means a cylindrical floating marker that shows channels or hazards.