also: ガーダ
noun
girder; girder frame
A loanword from English 'girder', used in construction and engineering contexts to refer to a large beam or framework.
橋のガーダーは鉄でできている。
The bridge's girder is made of steel.
ガーダー構造の建物は地震に強い。
Buildings with a girder frame are earthquake-resistant.