bunker
1. bun.ker \'b*n-k*r\ n [Sc bonker chest or box] 1: a bin or compartment for storage 2a: a protective embankment or dugout; esp : a fortified chamber mo stly below ground often built of reinforced concrete and provided with embrasures 2b: a sand trap or embankment constituting a hazard on a golf course 2. bunker \-k(*-)rin\ vb or bun.ker.ing : to fill a ship's bunker with coal or oil 1: to store in a bunker 2: to hit (a golf ball) into a bunker