storm window

noun

A second window (originally detachable) attached on the exterior side of a window in climates with harsh winters, to add an insulating layer of still air between the outside and inside.

Similar
stormstorm sash
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Meanings

nounstorm window (plural storm windows)

plural storm windows

  1. A second window (originally detachable) attached on the exterior side of a window in climates with harsh winters, to add an insulating layer of still air between the outside and inside.

    Synonyms: storm

Synonyms & antonyms

nounA second window (originally detachable) attached on the exterior side of a window in climates with harsh winters, to add an insulating layer of still air between the outside and inside.

Similar
storm

More synonyms by meaning

nouna window outside an ordinary window to protect against severe weather or winter

Similar
storm sash
Broader
window

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

French contre-fenêtre
  • contre-fenêtreTranslations
Cite this entry
APA

storm window. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/storm%20window

MLA

“storm window.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/storm%20window. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “storm window,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/storm%20window.

Source: storm window on Wiktionary, CC BY-SA 4.0.