The act of fortifying; the art or science of fortifying places in order to defend them against an enemy.

That which fortifies; especially, a work or works erected to defend a place against attack; a fortified place; a fortress; a fort; a castle.

1) Anything used in fortifying, a fort, defensive earth work, wall, etc.: 2) A fortified place or position.

defensive structure consisting of walls or mounds built around a stronghold to strengthen it

the art or science of strengthening defenses

a defensive position that soldiers can hide behind and shoot at their enemies from

a fort; a defensive building constructed for the purpose of strengthening a position

buildings designed to keep enemies away, such as a castle

Something that makes a defensive position stronger, like high mounds of earth to protect cannon or spiky breastworks to slow an enemy charge.

the art of building works for defense or attack which, through their form and construction, enabled their occupants to resist for a considerable length of time assaults by superior forces.

earthen works or other structures erected to defend a place or position.

that which makes strong; architecture designed to defend place or position (ATA fig. 1-14; 2-18; 10-12) [image] [website

Fortifications are military constructions and buildings designed for defense in warfare. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs. The term is derived from the Latin fortis ("strong") and facere ("to make").