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

1.
kayu dua-kali-empat, kayu balak
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.
Dia menggunakan kayu dua-kali-empat untuk menyokong dinding.
•
The frame was built with several two-by-fours.
Rangka itu dibina dengan beberapa kayu dua-kali-empat.