flying buttress
noun
Definition of flying buttress
: a masonry structure that typically consists of a straight inclined bar carried on an arch and a solid pier or buttress against which it abuts and that receives the thrust of a roof or vault
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Illustration of flying buttress
1669
First Known Use of flying buttress
1669
FLYING BUTTRESS Defined for English Language Learners
flying buttress
noun
Definition of flying buttress for English Language Learners
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: a structure that supports a wall or building from the outside
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Britannica.com: Encyclopedia article about flying buttress
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