buttress

US /ˈbʌt.rəs/
UK /ˈbʌt.rəs/
"buttress" picture
1.

a projecting support of stone or brick built against a wall

:
The ancient cathedral was supported by massive stone buttresses.
The architect designed a series of flying buttresses for the new building.
1.

to provide a building or structure with projecting supports built against its walls

:
They decided to buttress the old wall to prevent it from collapsing.
The engineers had to buttress the bridge after the earthquake.
2.

to provide (someone or something) with moral or emotional support

:
The community rallied to buttress the struggling local businesses.
Her strong belief in justice helped to buttress her resolve.