Definition

Noun: A spar buoy is a type of nautical buoy that is tall, slender, and cylindrical, resembling an upright log or pole floating vertically in the water. It is used as a navigational marker to indicate channels, hazards, or specific points.

Usage

A spar buoy is a fixed navigational aid. Its tall, narrow shape makes it visible from a distance on the water. - The channel was marked by a red spar buoy. - Mariners should leave the spar buoy to port when entering the harbor.

Advanced Usage

• "To mark with a spar buoy": To use this type of buoy to indicate a specific location or hazard.
  • The reef was clearly marked with a spar buoy.

Variants and Related Words

• Buoy (n): A general term for a floating object anchored in water as a navigational marker or warning.
• Navigational buoy (n): Any buoy used to guide maritime navigation.

Synonyms

• Navigation mark
• Channel marker (when used for that specific purpose)

Related Terms

• Mooring buoy (n): A buoy to which vessels can secure themselves, typically different in shape from a spar buoy.
• Bell buoy (n): A buoy equipped with a bell, often larger and of a different design.
• Lighted buoy (n): A buoy with a light, which a spar buoy may or may not have.

Noun

1. a buoy resembling a vertical log