wallboard
nounUK /ˈwɔːlbɔːd/
US /ˈwɔːlbɔːrd/
A wallboard is a big flat sheet used to build the inside walls of a house.
The builders put up the wallboard before painting the room.
RELATED WORDS
OTHER MEANINGS
2. A board or panel fixed to a wall for writing or displaying notices.
She pinned the schedule to the wallboard by the door.
3. A stiff board used as a backing or covering on walls.
The old wallboard was damaged by water.
4. A material made of layers pressed together for building walls.
They chose a fire-resistant wallboard for the kitchen.