windowsill
noun
win·dow·sill
ˈwin-dō-ˌsil 
-də-
: the horizontal member at the bottom of a window opening
Examples of windowsill in a Sentence
Recent Examples on the Web
This dwarf variety averages about 15 inches tall, needs no trellis, and is perfect for patios, balconies, small spaces, and even windowsills.
—
Emily Hayes, Martha Stewart, 2 May 2026
Consider starting your seedlings in a sunny windowsill or in your basement under grow lights.
—Kaitlyn Keegan, Hartford Courant, 1 May 2026
When temperatures are forecast to drop into the 40s, harvest the entire plant or bring it indoors and set it on a sunny windowsill.
—Arricca Elin Sansone, Southern Living, 1 May 2026
Officials learned that a young boy had been playing on a windowsill near an open window that had a screen when the covering gave way, according to WCAU.
—Sam Gillette, PEOPLE, 29 Apr. 2026
See All Example Sentences for windowsill
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Emily Hayes, Martha Stewart, 2 May 2026
Consider starting your seedlings in a sunny windowsill or in your basement under grow lights.
—Kaitlyn Keegan, Hartford Courant, 1 May 2026
When temperatures are forecast to drop into the 40s, harvest the entire plant or bring it indoors and set it on a sunny windowsill.
—Arricca Elin Sansone, Southern Living, 1 May 2026
Officials learned that a young boy had been playing on a windowsill near an open window that had a screen when the covering gave way, according to WCAU.
—Sam Gillette, PEOPLE, 29 Apr. 2026
See All Example Sentences for windowsill
Cite this Entry
“Windowsill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windowsill. Accessed 7 May. 2026.
Copy CitationKids Definition
windowsill
noun
win·dow·sill
-ˌsil
: the horizontal piece at the bottom of a window
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