bunker in German

(military) A hardened shelter, often partly buried or fully underground, designed to protect the inhabitants from falling bombs or other attacks.

(military) A hardened shelter, often partly buried or fully underground, designed to protect the inhabitants from falling bombs or other attacks.

(nautical) A compartment for storing coal for the ship's boilers; or a tank for storing fuel oil for the ship's engines.

(intransitive, of a vessel) To take a load of coal or fuel oil for its engine.