DictionarybuttressStructural support
noun / verb

buttress

BUT-ruhs/ˈbʌtrəs/

An external support strengthening a wall.

A heavy stone buttress supports the cathedral's outer wall.

Stone buttress projects outward against tall medieval church wall, structural support clearly visible at base and side, no labels.
Etymology

Old French botrez named a flying buttress, a support built against a wall. Its apparent connection with bouter, “to thrust against,” gives an image of the support bracing the wall.

In context

WikiAudio2:42
another application of the flying buttress is to prop up a leaning wall in danger of collapse
Flying buttress

More examples

  • New evidence buttressed her argument.
  • Several buttresses brace the long wall against outward pressure.
  • The reserve fund provides a buttress against unexpected losses.

Forms

buttress · buttresses · buttressed · buttressing

Similar words

prop
A general support, while buttress often reinforces from the side.