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This article is about an architectural structure. For the large tree root, see Buttress root. For slang, see buttocks.
A buttress (and mostly concealed, a flying buttress) supporting walls at the Palace of Westminster
A buttress is an architectural structure built against (a counterfort) or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient buildings, especially in Germany, as a means of providing support to act against the lateral (sideways) forces arising out of the roof structures that lack adequate bracing. |
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