bar (v.) Copy link Outline I. To fasten with a barII. To hinder, prevent (q. v.) • bar (v.): I. To fasten with a bar: obsĕro, 1: to bar a door, ostium o., Ter.; fores o., Suet. Phr.: bar the door, if you please, with both bolts, occlude, sis, fores ambobus pessulis, Pl.: I bar the door, pessulum ostio obdo, Ter. (the pessulus, however, was smaller than the sera or repagulum: v. bolt.) II. To hinder, prevent (q. v.): obsto (with dat.), prŏhĭbeo (with acc.)