plasterboard

/P L AE1 S T ER0 B AO0 R D/
noun
  1. 1

    A construction material consisting of a rigid panel of several layers of fibreboard or paper bonded to a gypsum core.

verb
  1. 1

    To fit or reinforce with plasterboard.

Source: https://en.wiktionary.org/wiki/plasterboard