joist

US /dʒɔɪst/
UK /dʒɔɪst/
"joist" picture
1.

viga, caibro

a length of timber or steel supporting part of the structure of a building, typically arranged in parallel series to support a floor or ceiling.

:
The floorboards were nailed directly to the wooden joists.
As tábuas do assoalho foram pregadas diretamente nas vigas de madeira.
We need to replace some of the rotten joists in the old house.
Precisamos substituir algumas das vigas podres na casa antiga.