- The definition of a buttress is a support for a building usually made of brick or stone.
A stone wall built against a wall to support the building is an example of a buttress.
- To buttress is to provide support for a building, or to provide support and justification for an argument or idea.
- When a wall is providing support for a building, this is an example of a situation where the wall is a buttress for the building.
- When a fact supports a position or argument, this is an example of a fact that is a buttress for the argument.
Buttresses supporting an ancient building.
buttress definition by Webster's New World
- a projecting structure, generally of brick or stone, built against a wall to support or reinforce it
- anything like a buttress; support or prop
Origin: Middle English boteras ; from Old French bouterez, plural of bouteret, flying buttress ; from buter: see butt
- to support or reinforce with a buttress
- to prop up; bolster
buttress definition by American Heritage Dictionary
- A structure, usually brick or stone, built against a wall for support or reinforcement.
- Something resembling a buttress, as:a. The flared base of certain tree trunks.b. A horny growth on the heel of a horse's hoof.
- Something that serves to support, prop, or reinforce: “The law is by its very nature a buttress of the status quo” (J. William Fulbright).
- To support or reinforce with a buttress.
- To sustain, prop, or bolster: “The author buttresses her analysis with lengthy dissections of several of Moore's poems” (Warren Woessner).
Origin: Middle English buteras, from Old French bouterez, from bouter, to strike against, of Germanic origin; see bhau- in Indo-European roots.