3141094e_Glossary_of_Castle_Terminology__Definition
[English Word] Buttress: [German Word] der Strebepfeiler [Definition] 
A projection of masonry or wood used to enforce and strengthen a wall. Type 1: Flying buttresses are a narrow arched bridge built against the wall. Type 2: Pilaster buttresses gradually recede into the wall as it ascends.
A Glossary of Castle Terminology
Definition