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windowsill

American  
[win-doh-sil] / ˈwɪn doʊˌsɪl /
Or window sill

noun

windowsills plural
  1. the sill under a window.


windowsill British  
/ ˈwɪndəʊˌsɪl /

noun

  1. a sill below a window

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of windowsill

First recorded in 1695–1705; window + sill

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Tablets on the windowsill gather dust, remnants of an abandoned online school project.

From Barron's Mar. 3, 2026

For a punchier pasta, try al limone: a dish that’s all zip and silk, bright as spring sunlight on a windowsill.

From Salon Dec. 18, 2025

Rocio Arrieta sat in a Terminal 3 windowsill with her luggage during a multihour layover from Costa Rica to Australia.

From Los Angeles Times Dec. 24, 2024

Three months later, they were spotted on a windowsill in the winter by ecologist Daisy Cadet and her mother Ashleigh in what scientists have described as an "improbable event" that "defies rational explanation".

From BBC Oct. 2, 2024

“We could dust the windowsill for fingerprints!” said Kojo.

From "The Smartest Kid in the Universe" by Chris Grabenstein

There is an empty space beneath her windowsills where the radiators used to sit -- removed after the water started freezing and bursting the pipes.

From Barron's Feb. 26, 2026

“Everybody we talked to, Republican and Democrat, were glad it was closing,” said Susan Hoekema, a retired attorney who has lived about 3 miles from the plant since 2006—and recalls black soot covering her windowsills.

From The Wall Street Journal Nov. 3, 2025

Ash still clings to the windowsills of the gray home in Altadena, nine months after an inferno ripped the community apart.

From Los Angeles Times Oct. 8, 2025

Plant pots and fruit baskets sat on broken windowsills, a reminder of the families that until hours earlier had led their lives tucked away behind these walls.

From BBC Aug. 28, 2025

There are several chessboards with missing pieces, and pieces without boards of their own lined up on windowsills and bookshelves.

From "The Night Circus" by Erin Morgenstern

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