wallboard

Meanings

1. 1
   noun

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

   Hooks come with screws for use in plaster or wood and toggles for use in wallboard. One hook should be sufficient to swag a lamp from a ceiling outlet.

2. 2
   noun

   a wide flat board used to cover walls or partitions

Etymology

From wall + board.