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