noun
- a large horizontal beam of steel, concrete, or wood used as a main structural support in buildings and bridges
Examples
- The steel girders formed the skeleton of the new skyscraper.
- Engineers inspected each girder for signs of stress or damage.
- The bridge’s main girder spans over 200 feet across the river.
- Workers carefully positioned the concrete girder using a crane.
- The old building’s wooden girders had to be replaced due to rot.
- Safety regulations require girders to support twice their expected load.