DictionarypierStructural support
noun

pier

An upright support for a bridge or building.

A concrete pier supports the bridge where it crosses the river.

Etymology

The older French word named a stone support or pier. The structural sense preserves its role as an upright member carrying a bridge or building.

More examples

  • Inspectors check each bridge pier for cracks.
  • The wooden cabin rests on short concrete piers.
  • Workers reinforce the damaged pier beneath the railway bridge.

Forms

pier · piers

Similar words

column
Usually a slender vertical support, often round in cross section.
pillar
Often supports a building rather than a bridge span.