The word buttress first budded in the world of architecture during the 14th century, when it was used to describe an exterior support that projects from a wall to resist the sideways force, called thrust, …

Buttresses are fairly common on more ancient (typically Gothic) buildings, as a means of providing support to act against the lateral (sideways) forces arising out of inadequately braced roof structures.

us / ˈbʌ·trəs / a structure made of stone or brick that sticks out from and supports a wall of a building (Definition of buttress from the Cambridge Academic Content Dictionary © Cambridge University Press)

BUTTRESS definition: any external prop or support built to steady a structure by opposing its outward thrusts, especially a projecting support built into or against the outside of a masonry wall. See …

A buttress is a structure built against or projecting from a wall, which serves to support or reinforce the wall. It is often used in architectural and construction contexts, particularly in relation to large or …

To buttress an argument, system, or person means to give them support and strength.

buttress, in architecture, exterior support, usually of masonry, projecting from the face of a wall and serving either to strengthen it or to resist the side thrust created by the load on an arch or a roof.

1. To support or reinforce with a buttress. 2. To sustain, prop, or bolster: "The author buttresses her analysis with lengthy dissections of several of Moore's poems" (Warren Woessner).

Buttress definition: A structure, usually brick or stone, built against a wall for support or reinforcement.

2 days ago · Noun buttress (plural buttresses) (architecture) A brick, concrete or stone structure built against another structure to support it.