buttressing

Definitions of buttressing
1

n a support usually of stone or brick; supports the wall of a building

Synonyms:
buttress
Types:
arc-boutant, flying buttress
a buttress that stands apart from the main structure and connected to it by an arch
Type of:
support
supporting structure that holds up or provides a foundation

Sign up, it's free!

Whether you're a student, an educator, or a life-long learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.