flying buttress

US /ˈflaɪ.ɪŋ ˈbʌt.rəs/
UK /ˈflaɪ.ɪŋ ˈbʌt.rəs/
"flying buttress" picture
1.

arco rampante

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

:
The cathedral's impressive flying buttresses allowed for taller walls and larger windows.
Gli imponenti archi rampanti della cattedrale hanno permesso pareti più alte e finestre più grandi.
Gothic architecture is characterized by the use of flying buttresses.
L'architettura gotica è caratterizzata dall'uso di archi rampanti.