| 1. | a large bin or receptacle; a fixed chest or box: a coal bunker. |
| 2. | a fortification set mostly below the surface of the ground with overhead protection provided by logs and earth or by concrete and fitted with openings through which guns may be fired. |
| 3. | Golf. any obstacle, as a sand trap or mound of dirt, constituting a hazard. |
| 4. | Nautical.
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| 5. | Golf. to hit (a ball) into a bunker. |
| 6. | to equip with or as if with bunkers: to bunker an army's defenses. |
