01 n. A low wall, especially one serving to protect the edge of a platform, roof, bridge, or the like.
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1.
A low wall, especially one serving to protect the edge of a platform, roof, bridge, or the like.(Arch.)
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2.
A wall, rampart, or elevation of earth, for covering soldiers from an enemy's fire; a breastwork. See Illust. of Casemate.(Fort.) See: Casemate