A fortress at the end of a defile.
A narrow outlet from which a body of water pours.
To pour forth from a narrow opening; to emerge from a narrow place like a defile into open country or a wider space.
A going of the rounds along the chain of sentinels and between the posts, by a guard, usually consisting of three or four men, to insure greater security from attacks on the outposts.
A movement, by a small body of troops beyond the line of outposts, to explore the country and gain intelligence of the enemy's whereabouts.
Any perambulation of a particular line or district to guard it; also, the people thus guarding.
A unit of a troop, usually defined by certain ranks or age groups within the troop, and ideally comprised of six to eight members.
The largest division of officers within a police department or sheriff's office, whose assignment is to patrol and respond to calls for service.
The guards who go the rounds for observation; a detachment whose duty it is to patrol.
To go the rounds of, as a sentry, guard, or policeman
To go the rounds along a chain of sentinels; to traverse a police district or beat.