joist
US /dʒɔɪst/
UK /dʒɔɪst/

1.
viga, vigueta
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.
Las tablas del suelo estaban clavadas directamente a las vigas de madera.
•
We need to replace some of the rotten joists in the old house.
Necesitamos reemplazar algunas de las vigas podridas en la casa vieja.