fortification

IPA: fɔrtʌfʌkˈeɪʃʌn

The act of fortifying; the art or science of fortifying places to strengthen defence 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.
An increase in effectiveness, as by adding ingredients.
A jagged pattern sometimes seen during an attack of migraine.

Examples of "fortification" in Sentences

The fortification was located in the center.
The layout of the fortification wall was revised.
The tower is the third fortification on the site.
The fortification are on the far side of the paintings.
The additional fortification helped popularize the drink.
He substantially refurbished the fortifications of the fort.
The outer wall of the mosque is the fortification wall itself.
It was the westernmost of the fortifications and covered in total.
It is large and spacious, but the fortifications are inconsiderable.
It was the apex of the fortifications surrounding the Genoese citadel of Galata.