| 1. wall with openings through which weapons can be fired. battlementbattle*ment (-ment), n. [oe. batelment; cf. of. bataillement combat, fr. batailler, also of. bastillier, bateillier, to fortify. cf. battle, n., bastile, bastion.] (arch.) (a) one of the solid upright parts of a parapet in ancient fortifications. (b) pl. the whole parapet, consisting of alternate solids and open spaces. at first purely a military feature, afterwards copied on a smaller scale with decorative features, as for churches |