What does undersill mean?
Undersill means Beneath a sill..
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Pronunciation varies by accent · adjective
Beneath a sill..
A vinyl undersill trim or finish trim should be used under windowsills to receive the cut edges of the siding.
Use undersill when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Undersill means Beneath a sill..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
A vinyl undersill trim or finish trim should be used under windowsills to receive the cut edges of the siding.
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