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Definition of windowsill

windowsill

/ˈwɪn.doʊˌsɪl/
win · dow · sill
Plural:windowsills
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windowsill Lexical Profile

windowsill Game Scores & Validity

• noun

1

A horizontal ledge or shelf of wood, stone, or metal forming the bottom part of a window frame, either inside or outside a building.

Example

"She placed a row of small potted herbs along the sunny kitchen windowsill."

Synonyms
View all synonyms for windowsill

• Nearby Words

windowframe
windowless
windowpane
windowsill
windpipe
windpower
windproof

Word Origin & Etymology

Formed in Middle English as a compound of "window" (from Old Norse "vindauga", literally "wind-eye") and "sill" (from Old English "syll", meaning a horizontal base beam or threshold).

Cite this Entry

Wordmom. (2026). Definition of Windowsill. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/windowsill
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