sheet rock

See also: sheetrock and Sheetrock

English

Etymology

Originally a trade name

Noun

sheet rock (uncountable)

1. Pre-hardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction.

   In North America, use of sheet rock has virtually replaced plaster and lathe for interior walls in new construction.

Synonyms

• (gypsum sheeting for wall surface construction): drywall, wall board