bunker means: Open display cabinet that can be refrigerated and stored in the open. It is used to sell products in dairy, frozen foods, and other departments. (in Cooking Dictionary)

What else does bunker mean?

A tank or bin used for fuel storage. (in Merlin Dictionary)

Specially for ships, fuel, like coal and fuel oil, is used. (in Merlin Dictionary)

Underground fortification with often a concrete project above ground for observation and gun emplacements. (in Merlin Dictionary)

A bunker is a place to store (or place) fuel. (in Merlin Dictionary)

Hit (a golfball) into a trap. (in Merlin Dictionary)