noun

windowsill

windowsill

She put a plant on the windowsill.

She put a plant on the windowsill.

A cat was sleeping on the windowsill.

A cat was sleeping on the windowsill.

((on a/the)) windowsill on the shelf at the bottom of a window She put a plant on the windowsill.

Synonyms: ledge, shelf

A compound of 'window' and 'sill' (a shelf-like piece of wood, stone, or metal at the foot of a window).

It's the 'sill' or shelf at the bottom of a 'window'.

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