The meaning of BUTTRESS is a projecting structure of masonry or wood for supporting or giving stability to a wall or building.

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 …

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.

Oct 7, 2025 · buttress (third-person singular simple present buttresses, present participle buttressing, simple past and past participle buttressed) To support something physically with, or as if with, a prop …

Definition of buttress noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.