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

Its inspiration comes from a fly on a windowsill that Brickell focused on and anthropomorphized to represent the idea that all living creatures matter. — Selena Fragassi, SPIN, 28 Sep. 2026

Police found blood on a windowsill and exterior door in the family's kitchen. — Michael Ruiz, FOXNews.com, 25 Sep. 2026

Adding a houseplant or two to your home is an easy way to brighten up a sunny kitchen windowsill or add color and texture to the corners of living rooms and bedrooms. — Lauren Landers, Better Homes & Gardens, 13 Sep. 2026

Outside or a windowsill, herbs such as chives or parsley can thrive with enough sunlight. — Pedro Moura, Los Angeles Times, 1 Sep. 2026

Word History

First Known Use

1703, in the meaning defined above

Kids Definition

windowsill

noun

win·​dow·​sill -ˌsil 

: the horizontal piece at the bottom of a window