A sort of chest or box, as in a window, the lid of which serves for a seat.
- A bin or tank especially for fuel storage, as on a ship.
- Fuel, such as coal or fuel oil, used especially in ships. Often used in the plural.
- An underground fortification, often with a concrete projection above ground level for observation or gun emplacements.
- Sports A sand trap serving as an obstacle on a golf course.
- To store or place (fuel) in a bunker.
- Sports To hit (a golf ball) into a bunker.