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
For example, when the toddler son of famous aviator Charles Lindbergh was kidnapped, a piece of paper demanding $50,000 was found on a windowsill.
—
Barbara Ortutay, Fortune, 6 Feb. 2026
To promote bushy growth, place parsley in a sunny windowsill or use supplemental lighting.
—Brandee Gruener, Southern Living, 3 Feb. 2026
The vacuum converts from an upright device into a handheld to clean sofa cushions, car seats, windowsills, and other above-ground surfaces.
—Clara McMahon, PEOPLE, 31 Jan. 2026
There are some vegetables whose seeds are best started indoors on a windowsill or in a greenhouse, long before transplants are planted out in the garden.
—Megan Hughes, Better Homes & Gardens, 31 Jan. 2026
See All Example Sentences for windowsill
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Barbara Ortutay, Fortune, 6 Feb. 2026
To promote bushy growth, place parsley in a sunny windowsill or use supplemental lighting.
—Brandee Gruener, Southern Living, 3 Feb. 2026
The vacuum converts from an upright device into a handheld to clean sofa cushions, car seats, windowsills, and other above-ground surfaces.
—Clara McMahon, PEOPLE, 31 Jan. 2026
There are some vegetables whose seeds are best started indoors on a windowsill or in a greenhouse, long before transplants are planted out in the garden.
—Megan Hughes, Better Homes & Gardens, 31 Jan. 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 11 Feb. 2026.
Copy CitationKids Definition
windowsill
noun
win·dow·sill
-ˌsil
: the horizontal piece at the bottom of a window
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