plural of girder

A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure. / One who girds; a satirist.

(in combination) Having a specified number or kind of girders.

Girders generally; a structure or framework of girders.

plural of box girder

plural of sandwich girder

plural of plate girder

plural of lattice girder

A steel beam with a hollow rectangular cross section; used for constructing bridges etc.

A beam built of steel plates and shapes welded or bolted together to form a deep beam larger than could be produced by a rolling mill.