[med.L., app. f. F. bail.] = BAIL sb.3 2, and BAILEY.

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1798.  N. Drake, Lit. Hours (1820), III. lix. 323. And where the ballium rear’d its strength, And where its turrets rose.

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1810.  Miss Porter, Scot. Chiefs, 121. Just as the whole of Wallace’s men had leaped the wall, the inner ballium gate burst open.

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1813.  Scott, Trierm., III. ix. A banner’d Castle, keep and tower … And barbican and ballium vast.

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