n. & v.
--n.
1. a large container or compartment for storing fuel.
2 a reinforced underground shelter, esp. for use in wartime.
3 a hollow filled with sand, used as an obstacle in a golf-course.
--v.tr.
1. fill the fuel bunkers of (a ship etc.).
2 (usu. in passive) a trap in a bunker (in sense 3). b bring into difficulties.
Etymology: 19th c.: orig. unkn.