(n.) A sort of chest or box, as in a window, the lid of which serves for a seat.
(n.) A large bin or similar receptacle; as, a coal bunker.
(n.) A small sand hole or pit, as on a golf course.
(n.) Hence, any rough hazardous ground on the links; also, an artificial hazard with built-up faces.
(v. t.) To drive (the ball) into a bunker.