For`ti*fi*ca"tion (?), n. [L.
fortificatio : cf. F. 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.
Fortification agate, Scotch pebble.
Syn. -- Fortress; citadel; bulwark. See
Fortress.