guardgɑrd(v.t.)

1. to keep safe from harm or danger; protect; watch over.

2. to keep under close watch in order to prevent escape, misconduct, etc.

3. to keep under control 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. to position oneself in some sport so as to obstruct or impede the movement or progress of (an opponent on offense).

   Category: Sport

6. to protect (a chess piece or a square) by placing a piece in a supportive or defensive position relative to it.

   Category: Checkers and Chess

7. (v.i.)to take precautions (usu. fol. by against):

   to guard against errors.

8. to give protection; keep watch.

9. (n.)a person or group that guards, as one that keeps watch over prisoners or protects a place from disturbance, theft, etc.

10. an act of guarding; a close watch, as over a prisoner or other person under restraint.

11. a device, appliance, or attachment that prevents injury, loss, etc.

12. something intended or serving to guard or protect; safeguard.

13. a posture of defense or readiness, as in fencing, boxing, etc.

14. either of the football linemen stationed between a tackle and the center. the position played by this lineman.

    Category: Sport

15. either of the basketball players stationed in the backcourt.

    Category: Sport

16. Brit. a railroad conductor.

    Category: British

17. Guards,

    Category: Military

    Ref: household troops.

Idioms for guard:

1. off (one's) guard,unprepared; unwary.

   Category: Idiom

2. on (one's) guard,vigilant; wary.

   Category: Idiom

Origin of guard:

1375–1425; < OF g(u)arde < Gmc; see ward

guard′er(n.)