joist
US /dʒɔɪst/
UK /dʒɔɪst/
1.
장선, 보
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.
마루판은 나무 장선에 직접 못 박혔다.
•
We need to replace some of the rotten joists in the old house.
오래된 집의 썩은 장선 몇 개를 교체해야 한다.