Sheetrock

Noun

 * 1)  Drywall; plasterboard; a building material comprising a layer of gypsum plaster sandwiched between two pieces of heavy paper, used mainly for interior walls and ceilings.
 * 2)  Any of the various thicknesses and grades of such material.
 * 3) A wall made of this.

Usage notes

 * “Sheetrock” may be a trademark, at least when applied to the building material. Drywall and plasterboard are generic terms.

Verb

 * 1) To install and finish Sheetrock.