relieving-arch
McGraw-Hill Dictionary of Architecture & Construction:
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discharging arch, relieving arch, safety arch
An arch, usually segmental and often a blind arch, built above the lintel of a door or window to discharge the weight of the wall above the lintel to each side.
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Oxford Dictionary of Archaeology:
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relieving-arch
[Co]
An arch built as part of a solid wall to take the weight of the construction above by diverting it away from weak points such as doors and windows lower down.
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McGraw-Hill Dictionary of Architecture & Construction
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.
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