drywall

Etymology

dry + wall

noun

1. A building material comprising a sheet of gypsum sandwiched between two pieces of heavy paper, used mainly for interior walls and ceilings.
   As moldy drywall thudded to the curb in a depressing drumbeat throughout Breezy Point, Queens, Thomas Ryan’s reciprocating saw stood out like a growling declaration of impatience. December 21, 2012, David M. Halbfinger, Charles V. Bagli, Sarah Maslin Nir, “On Ravaged Coastline, It’s Rebuild Deliberately vs. Rebuild Now”, in New York Times
2. A wall made of this.
3. A stone wall constructed without mortar or cement.

verb

1. (transitive, intransitive) To install and finish drywall.