windowsill

American  

[win-doh-sil] / ˈwɪn doʊˌsɪl /

Or window sill

noun

1. the sill under a window.

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windowsill British  

/ ˈwɪndəʊˌsɪl /

noun

1. a sill below a window

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Etymology

Origin of windowsill

First recorded in 1695–1705; window + sill

Example Sentences

One button went beneath the dining room windowsill, just below the mirror which gave onto the side door.

From Literature

Before I knew it, he had gotten down from the table and was juggling with two large pine-cones he’d found on the windowsill.

From Literature

But Mae was the one I could observe every day, sitting in the windowsill studiously reading the foreign pages of the newspaper.

From Literature

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

From Barron's

The brick window ledge of the windowsill cut into my hands as the fire escape fell away to careen to the ground.

From Literature