Definition: A round nine inch diameter marker that sits on top of the water to indicate the course in which a boat and skier must follow. Buoys may also be in the shape of a sphere. They must have a smooth surface are generally marked with bright colors for high visibility, like red, orange, or yellow. Each buoy is attached to a tight anchor line to maintain minimal movement.
Pronunciation: boo'e • (noun)
Also Known As: Ball
Common Misspellings: Booey, Bouy
Examples: The slalom water-skier rounded the sixth buoy with the shortest line length to win the competition.