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The protection of the interior walls of a fortification from an enfilading fire, as by covering them, or by a high parapet on the exposed side.

A state of being in bad condition, and wanting repair. The fortifications were ancient and in disrepair. Sir W. Scott.

so called the keep; a massive tower in ancient castles, forming the strongest part of the fortifications. See Illust. of Castle.

Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.

The area or town inclosed by a line of fortification. The suburbs are not unfrequently larger than their enceinte. S. W. Williams.

rigadier general, whose title is Chief of Engineers. It has charge of the construction of fortifications for land and seacoast defense, the improvement of rivers and harbors, the construction of lighthouses, etc., and, in time of war, supervises the engineering operations of the armies in the field.…

on the outside. -- Exterior side (Fort.), the side of the polygon upon which a front of fortification is formed. Wilhelm.

hes of trees, used for fuel, for raising batteries, filling ditches, or other purposes in fortification; a fascine. Shak.

Any temporary fortification thrown up by an army in the field; -- commonly in the plural. All works which do not come under the head of permanent fortification are called fieldworks. Wilhelm.

To defend by lateral fortifications. [Obs.] Sir T. Herbert.

a ditch, rampart, and parapet, or with palisades, stockades, or other means of defense; a fortification. Detached works, depending solely on their own strength, belong to the class of works termed forts. Farrow.

A small outwork of a fortification; a fortilage; -- called also fortelace.

A fortified place; a large and permanent fortification, sometimes including a town; a fort; a castle; a stronghold; a place of defense or security.

r, the door in the front wall of a building, usually the principal entrance. -- Front of fortification, the works constructed upon any one side of a polygon. Farrow. -- Front of operations, all that part of the field of operations in front of the successive positions occupied by the army as it moves forward. Farrow.…

The part of a fortification built of gabions.

To place troops in, as a fortification, for its defense; to furnish with soldiers; as, to garrison a fort or town.

of iron, used for inclosing land, for folding sheep and cattle, for gates, etc.; also, in fortification, used as revetments, and for other purposes.

To surround with a trench or with intrenchments, as in fortification; to fortify with a ditch and parapet; as, the army intrenched their camp, or intrenched itself. "In the suburbs close intrenched." Shak.

A small opening, as in the walls of fortification, or in the bulkhead of a ship, through which small arms or other weapons may be discharged at an enemy.

A plank or beam used for supporting the earth in mines or fortifications.