gyámpillér angolul

arch-brace▼noun
[UK: ɑːtʃ breɪs] [US: ˈɑːrtʃ ˈbreɪs]

arch-buttress▼noun
[UK: ɑːtʃ ˈbʌ.trəs] [US: ˈɑːrtʃ ˈbʌ.trəs]