n. beam of steel, wood, or reinforced concrete, used as main horizontal support in building
Discovery astronauts spent six and a half hours today unhooking a huge girder from the backbone of the International Space Station.
Sentence in Classic:
Instinct made him step on the accelerator with the double purpose of overtaking Daisy and leaving Wilson behind, and we sped along toward Astoria at fifty miles an hour, until, among the spidery girders of the elevated, we came in sight of the easygoing blue coupé.
The Great Gatsby By F. Scott Fitzgerald Context