Fortification
Fortification , noun
[Latin fortificatio: compare French fortification.]
1.
The act of fortifying; the art or science of fortifying places in order to defend them against an enemy.
2.
That which fortifies; especially, a work or works erected to defend a place against attack; a fortified place; a fortress; a fort; a castle.
Collocations (1)
Fortification agate , Scotch pebble.