Sheetrock

Etymology
A proprietary name (originally, and also, Sheetrock:); from.

Noun

 * 1)  A building material comprising a sheet of gypsum sandwiched between two pieces of heavy paper, used mainly for interior walls and ceilings.
 * 2)  A wall made of this.

Synonyms

 * drywall
 * gyprock
 * gypsum board
 * plasterboard
 * wallboard

Verb

 * 1) To install and finish sheetrock.

Synonyms

 * drywall