wallboard

Plural: wallboards

Noun

• 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
• A construction material of pre-made boards used for walls and ceilings, usually a gypsum core with a paper surface.

Synonyms

dry wall, drywall

Related Words

cement board, gypsum plaster, lath, plaster