Meanings
- uncountablebusinessPrehardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction.
Synonyms: drywall, wall board
Synonyms & antonyms
nounPrehardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction.
Origin
Originally a trade name.
Full word history & related roots →Cite this entry
sheet rock. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sheet%20rock
“sheet rock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sheet%20rock. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “sheet rock,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sheet%20rock.
Source: sheet rock on Wiktionary, CC BY-SA 4.0.