two-by-four
US /ˌtuː baɪ ˈfɔːr/
UK /ˌtuː baɪ ˈfɔːr/

1.
dos por cuatro, listón
a piece of lumber with a rectangular cross section, nominally 2 inches by 4 inches, used in construction
:
•
He used a two-by-four to brace the wall.
Usó un dos por cuatro para apuntalar la pared.
•
The frame was built with several two-by-fours.
El marco fue construido con varios dos por cuatro.