| 1. | to keep safe from harm or danger; protect; watch over: to guard the ruler. |
| 2. | to keep under close watch in order to prevent escape, misconduct, etc.: to guard a prisoner. |
| 3. | to keep under control or restraint as a matter of caution or prudence: to guard one's temper. |
| 4. | to provide or equip with some safeguard or protective appliance, as to prevent loss, injury, etc. |
| 5. | Sports. to position oneself so as to obstruct or impede the movement or progress of (an opponent on offense): The linebacker moved to his right to guard the end going out for a pass. |
| 6. | Chess. to protect (a piece or a square) by placing a piece in a supportive or defensive position relative to it. |
| 7. | to take precautions (usually fol. by against): to guard against errors. |
| 8. | to give protection; keep watch; be watchful. |
| 9. | a person or group of persons that guards, protects, or keeps a protective or restraining watch. |
| 10. | a person who keeps watch over prisoners or others under restraint. |
| 11. | a body of people, esp. soldiers, charged with guarding a place from disturbance, theft, fire, etc. |
| 12. | a close watch, as over a prisoner or other person under restraint: to be kept under guard. |
| 13. | a device, appliance, or attachment that prevents injury, loss, etc. |
| 14. | something intended or serving to guard or protect; safeguard: insurance as a guard against disasters. |
| 15. | a posture of defense or readiness, as in fencing, boxing, or bayonet drill. |
| 16. | Football.
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| 17. | Basketball. either of the players stationed in the backcourt. |
| 18. | Chess. a piece that supports or defends another. |
| 19. | Cards. a low card that is held with a high card of the same suit and that enables the holder to save the high card for a later trick. |
| 20. | British. a railroad conductor. |
| 21. | Guards, the name of certain bodies of troops in the British army. |
| 22. | off guard, unprepared; unwary: The blow from behind caught him off guard. Also, off one's guard. |
| 23. | on guard, vigilant; wary: on guard against dishonest merchants. Also, on one's guard. |
| 24. | stand guard over, to watch over; protect: The dog stood guard over his wounded master. |
