Definition of windowsill Windowsill
win•dow•sill
We found 3 definitions of windowsill from 3 different sources.
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What does windowsill mean?
WordNet
NounPlural: windowsills |
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| windowsill - the sill of a window; the horizontal member at the bottom of the window frame | ||
| sill structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure | ||
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Wiktionary 
- windowsill (Noun)
The horizontal member protruding from the base of a window frame .
Part of speech
🔤- windowsill, noun, singular of windowsills.
