Dictionary.com
Thesaurus.com

windowsill

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

noun

  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

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.

"Obviously dust is fine particles. Most of it is in the air, but some of it will land on your windowsill," he said.

From BBC • Jun. 7, 2026

"There were microphones on the windowsill of my dining room... I was being listened to," Hurley told the court, calling the press intrusion "deeply hurtful".

From Barron's • Jan. 22, 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

Finley compares these pieces to a windowsill — a look into what these subjects are like when the defenses dissolve, into their relationship with Finley, into whatever conversation led them to this point.

From Los Angeles Times • Nov. 6, 2025

She took a deep breath and said, "We thought you might have because you were out of the room. And you were the only one who could reach the windowsill."

From "Sleepover Sleuths: Nancy Drew and the Clue Crew, #1" by Carolyn Keene

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "windowsill" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com