noun
horizontal beam; stringpiece; trave
Technical term used in architecture and construction for a beam placed horizontally to support a structure.
この建物の横梁は鉄でできている。
The horizontal beams of this building are made of steel.
横梁がしっかりしていないと、天井が落ちる危険がある。
If the horizontal beams are not sturdy, there is a risk of the ceiling collapsing.