box girder

noun

box beam.

Origin of box girder

First recorded in 1860–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for box girder

Historical Examples of box girder

"I'm working on the box-girder," said Dunk, feeling called upon to give an account of himself.
The Boy Scouts of the Air in Indian Land
Gordon Stuart

British Dictionary definitions for box girder

box girder

noun

a girder that is hollow and square or rectangular in shape
(as modifier)a box-girder bridge

Also called: box beam

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012