Battledoor :: Battledoor (n.) An instrument, with a handle and a flat part covered with parchment or crossed with catgut, used to strike a shuttlecock in play; also, the play of battledoor and shuttlecock..
Battlement :: Battlement (n.) One of the solid upright parts of a parapet in ancient fortifications.
Battlement :: Battlement (n.) 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..
Battler :: Battler (n.) A student at Oxford who is supplied with provisions from the buttery; formerly, one who paid for nothing but what he called for, answering nearly to a sizar at Cambridge..