wallboard

wall·board  (wôlbôrd, -brd)

n.

See plasterboard.

Thesaurus

Noun

1.

wallboard - a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses dry wall, drywall beaver board - a light wallboard made of compressed wood pulp board - a flat piece of material designed for a special purpose; "he nailed boards across the windows" fiberboard, fibreboard, particle board - wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets gypsum board, plasterboard - wallboard with a gypsum plaster core bonded to layers of paper or fiberboard; used instead of plaster or wallboard to make interior walls