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

The couple had previously seen a single owl on an apartment windowsill a few days earlier and were shocked even then, Williams recalled. — Joseph B. Frederick, Fortune, 15 Oct. 2026

Cow figurines line his desk, and an ice cream statuette with his face smiles from the windowsill. — Natalie Hoy, Southern Living, 15 Oct. 2026

All of them catch the light, so a cluster on a mantel or a windowsill glows as the afternoon sun moves across them. — Danielle Bouchard, Martha Stewart, 14 Oct. 2026

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

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