beam
US /biːm/
UK /biːm/

1.
梁, 桁
a long, sturdy piece of squared timber or metal spanning an opening or part of a building, usually to support the roof or floor above
:
•
The old house had exposed wooden beams.
古い家にはむき出しの木の梁があった。
•
Steel beams were used to construct the skyscraper.
超高層ビルを建設するために鋼鉄の梁が使われた。
1.