Definition of girder
: a horizontal main structural member (as in a building or bridge) that supports vertical loads and that consists of a single piece or of more than one piece bound together
Recent Examples of girder from the Web
But this 6-foot-long section of steel girder was recovered from the ruins of the World Trade Center.
As the train thundered across the Tay, the high girders at the span’s midpoint gave way, sending the six-car train and the entire central section of the bridge crashing into the river.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'girder'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of girder
First Known Use: 1611
GIRDER Defined for English Language Learners
Definition of girder for English Language Learners
: a strong beam used to build buildings, bridges, etc.
GIRDER Defined for Kids
Definition of girder for Students
: a horizontal main supporting beam a girder of a bridge
Seen and Heard
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