##  [Buttress](/buttress) 

  ##  [Buttress](https://engineering.quantumdictionary.io/buttress-0) 

  

 [![Engineering & Applied Technologies Dictionary](/sites/default/files/styles/large/public/2026-01/Engineering%20%26%20Applied%20Technologies.png.webp?itok=_IKO7_-n)](/topic-specific-dictionaries/engineering-applied-technologies)



**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A projecting masonry or structural mass built against a wall or erected externally to resist lateral loads from the wall or roof (such as thrust, wind or earth pressure), thereby improving stability by redirecting forces to the ground through a defined load path.