noun Date: 1669 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
FLYING BUTTRESS
Meaning of FLYING BUTTRESS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012