a wall built with an enclosed inner space to prevent penetration by water.
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Origin of cavity wall
First recorded in 1905–10
Words nearby cavity wall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for cavity wall
Many English provincial authorities in determining the thickness of a cavity-wall, take the outer portion into consideration.
British Dictionary definitions for cavity wall
a wall that consists of two separate walls, joined by wall-ties, with an airspace between them
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012