a position on a basketball team | a putout of a base runner who is required to run; the putout is accomplished by holding the ball while touching the base to which the runner must advance before the runner reaches that base |
the duty of serving as a sentry | an act of aggression (as one against a person who resists) |
(American football) a position on the line of scrimmage between the center and the tackles | physical energy or intensity |
a precautionary measure warding off impending danger or damage or injury etc. | a powerful effect or influence |
a device designed to prevent injury or accidents | (of a law) having legal validity |
a posture of defence in boxing or fencing | group of people willing to obey orders |
a military unit serving to protect some place or person | a unit that is part of some military service |
the person who lines up between the center and the tackles on the offensive line of a football team on the line of scrimmage | a group of people having the power of effective action |
a person who keeps watch over something or someone | one possessing or exercising power or influence or authority |
the person who plays the position of guard on a basketball team | (physics) the influence that produces a change in a physical quantity |