noun[mass noun] chiefly North American
1A type of board made from wood pulp, plaster, or other material, used for covering walls and ceilings: install waterproof wallboard around a shower
More example sentences
- The repair procedures differ depending on whether it is an older wall with lath and plaster, or a newer wall using gypsum wallboard (drywall).
- The two most common interior wall surfaces are gypsum wallboard, usually referred to as drywall or gyp board, and plaster.
- Fasten the corners of the gypsum lath or wallboard to the existing lath behind the plaster.
Definition of wallboard in:
- The US English dictionary