windowsill

noun

win·​dow·​sill ˈwin-dō-ˌsil How to pronounce windowsill (audio)
-də-
: the horizontal member at the bottom of a window opening

Examples of windowsill 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.
For wood surfaces and antiques, break out a microfiber cloth—and don't forget about your windowsills, shower rungs, and shelves. Nashia Baker, Martha Stewart, 19 Feb. 2026 Investigators found blood on a windowsill outside the first-floor condo and more blood smeared on the walls and windows, the DA's office said. Tom Ignudo, CBS News, 18 Feb. 2026 For homeowners or renters, an easier method is to attach a radiator shelf or windowsill deflector to direct more heat into the room. Lee Wallender, The Spruce, 17 Feb. 2026 And, as Honey demonstrated at the windowsill, windows are attractive to toddlers but also harbor lead paint and dust. Jimmy Lovrien, Twin Cities, 16 Feb. 2026 See All Example Sentences for windowsill

Word History

First Known Use

1703, in the meaning defined above

Time Traveler
The first known use of windowsill was in 1703

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Cite this Entry

“Windowsill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windowsill. Accessed 28 Feb. 2026.

Kids Definition

windowsill

noun
win·​dow·​sill -ˌsil How to pronounce windowsill (audio)
: the horizontal piece at the bottom of a window
Last Updated: - Updated example sentences
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