1. A building material consisting of rectangular sections usually made of a gypsum plaster core bonded between layers of heavy paper, used especially in the construction of interior walls and ceilings. Also called gypsum board, plasterboard, wallboard.
2. also dry wall A wall constructed from rocks that are not cemented together.
tr.v. dry·walled, dry·wall·ing, dry·walls
1. To construct (a wall or ceiling) using drywall.
2. To construct a wall or ceiling in (a room or building) using drywall.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.