- the act of fortifying or strengthening.
- something that fortifies or protects.
- the art or science of constructing defensive military works.
- military works constructed for the purpose of strengthening a position; a fort: Supposedly impregnable, the fortifications were quickly overrun.
- a strengthening or improvement, as by addition of or intensification with another ingredient: the fortification of milk with vitamin D; the fortification of wine with alcohol.
- the act, art, or science of fortifying or strengthening
- a wall, mound, etc, used to fortify a place
- such works collectively
- any place that can be militarily defended
