storm window

noun

: a sash placed outside an ordinary window as a protection against severe weather

called also storm sash

Examples of storm window in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Close doors and window to outside, and install storm windows or add insulation to basement windows. Maia Pandey, jsonline.com, 23 Jan. 2026 From an energy-efficiency standpoint, storm windows can improve overall thermal performance by reducing air leakage, especially on older single-pane windows. Roxanne Downer, USA Today, 22 Jan. 2026 Key steps include insulating attics and crawl spaces, sealing doors and windows with caulk or weather stripping, and adding storm windows or plastic coverings. Evan Moore, Charlotte Observer, 22 Jan. 2026 Insulation features, like storm windows and sealed doors, also add value. Shagun Khare, The Spruce, 9 Jan. 2026 See All Example Sentences for storm window

Word History

First Known Use

circa 1888, in the meaning defined above

Time Traveler
The first known use of storm window was circa 1888

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Cite this Entry

“Storm window.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/storm%20window. Accessed 1 Feb. 2026.

Kids Definition

storm window

noun
: a glass window that is placed outside an ordinary window as a protection against severe weather
Last Updated: - Updated example sentences
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