[med.L., app. f. F. bail.] = BAIL sb.3 2, and BAILEY.
1798. N. Drake, Lit. Hours (1820), III. lix. 323. And where the ballium reard its strength, And where its turrets rose.
1810. Miss Porter, Scot. Chiefs, 121. Just as the whole of Wallaces men had leaped the wall, the inner ballium gate burst open.
1813. Scott, Trierm., III. ix. A bannerd Castle, keep and tower And barbican and ballium vast.