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girder

/ˈɡɜːrdər/  ·  say it: GER·der

a large main beam supporting a structure

In Architecture & Design

In more detail

1. (noun) a large strong beam made of steel or iron, used as a main support in buildings and bridges

2. (noun) any main support structure in a building or construction

Examples

• 1. The steel girders held up the entire weight of the bridge.
• 2. The building's framework includes several reinforced concrete girders.

Nearby in Architecture & Design

edifice, foyer, foundation, insulation, joist, keystone