girder

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gird·er / ˈgərdər/ • n. a large iron or steel beam or compound structure used for building bridges and the framework of large buildings.

The Oxford Pocket Dictionary of Current English

girder

views updated May 23 2018

girder.
1. Main timber beam of great size supporting subsidiary beams at right angles to it.

2. Beam built up for additional strength to support a floor, road, etc. A plate-girder is constructed of plates of rolled iron or steel, consisting of vertical webs with flat plates fixed to the upper and lower parts.

A Dictionary of Architecture and Landscape Architecture JAMES STEVENS CURL

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