Dictionary.com
Thesaurus.com

cavity wall

American  

noun

Masonry.
  1. a wall built with an enclosed inner space to prevent penetration by water.


cavity wall British  

noun

  1. 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

Etymology

Origin of cavity wall

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

FirstPort says the problem was caused by faulty cavity wall insulation installed by British Gas 11 years ago.

From BBC Nov. 3, 2025

The council said people could get advice on schemes available to help with heating costs ahead of autumn and winter, while eligible households can also get help with loft and cavity wall insulation.

From BBC Sep. 1, 2025

In a typical three-bedroomed semi-detached house in Great Britain, the Energy Savings Trust estimates that installing draught proofing measures plus cavity wall and loft insulation could save £555 on an average annual energy bill.

From BBC Oct. 7, 2022

Costs and savings vary considerably, but a typical installation of cavity wall insulation in a mid-terrace house would cost about £390, with annual energy savings of £95.

From BBC Oct. 20, 2021

The lateral portions of the ethmoid bone are located between the orbit and upper nasal cavity, and thus form the lateral nasal cavity wall and a portion of the medial orbit wall.

From Textbooks Jun. 19, 2013

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training