Meaning of the word "flying buttress" in English

What does "flying buttress" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

flying buttress

US /ˈflaɪ.ɪŋ ˈbʌt.rəs/
UK /ˈflaɪ.ɪŋ ˈbʌt.rəs/
"flying buttress" picture

Noun

1.

a specific form of buttress composed of an arch that extends from the upper part of a wall to a pier, supporting the wall by transferring the outward thrust of the vault to the pier

Example:
The cathedral's impressive flying buttresses allowed for taller walls and larger windows.
Gothic architecture is characterized by the use of flying buttresses.
Synonym:
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