girder
US /ˈɡɝː.dɚ/
UK /ˈɡɝː.dɚ/

1.
балка, ферма
a large iron or steel beam or compound structure used for building bridges and the framework of large buildings.
:
•
The construction workers hoisted the massive steel girder into place.
Строители подняли массивную стальную балку на место.
•
The bridge's main support consists of several parallel girders.
Основная опора моста состоит из нескольких параллельных балок.