light buoy

English

Noun

light buoy (plural light buoys)

  1. (nautical) A buoy with a light on top which is lit at night to aid navigation.
    Hypernyms: buoy; light (synecdochally hypernymous); aid
    Coordinate terms: lightboat, lightship, lightvessel, lighthouse
    They saw the light near the cape, which they mistook that night for a lighthouse, although it is in fact a light buoy.

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