girder

(gʉrdər)

noun

a large beam, usually horizontal, of timber or steel, for supporting the joists of a floor, the framework of a building, the superstructure of a bridge, etc.

Origin: gird + -er

See girder in American Heritage Dictionary 4

noun
A beam, as of steel, wood, or reinforced concrete, used as a main horizontal support in a building or bridge.

Learn more about girder

girder

link/cite print suggestion box