box girder

noun

1. box beam.

box girder

noun

1. Also calledbox beam
   1. a girder that is hollow and square or rectangular in shape
   2. ( as modifier )

      a box-girder bridge

Word History and Origins

Origin of box girder¹

First recorded in 1860–65

Example Sentences

"I'm working on the box-girder," said Dunk, feeling called upon to give an account of himself.

From Project Gutenberg