sentry

a regular route for a sentry or policeman n

favored modern forms of jazz (e.g., bebop) n a regular route for a sentry or policeman n the rhythmic contraction and expansion of the arteries with each beat of the heart n the basic rhythmic unit in a piece of music n a single pulsation of an oscillation produced by adding two waves of different frequencies

n a demanding or stimulating situation n a call to engage in a contest or fight n questioning a statement and demanding an explanation n a formal objection to the selection of a particular person as a juror n a demand by a sentry for a password or identification v take exception to v issue a challenge to v ask for identification v raise a formal objection in a court of law

n a person who keeps watch over something or someone n the person who plays that position on a football team n a device designed to prevent injury or accidents n a posture of defence in boxing or fencing n the person who plays the position of guard on a basketball team n a military unit serving to protect some place or person n a precautionary measure warding off impending danger or damage or injury etc. n the duty of serving as a sentry n (American football) a position on the line of scrimmage n a position on a basketball team v to keep watch over v watch over or shield from danger or harm

A projecting turret for a sentry, as at the salient angles of works, or the acute angles of bastions.