drywall

dry wall |ˈdrīˌwôl ˈdraɪwɔl | ▶noun a type of board made from plaster, wood pulp, or other material, used esp. to form the interior walls of houses.

drywall

dry |wall |ˈdrʌɪwɔːl | ▶noun [ mass noun ] N. Amer. plasterboard.