Did you mayhaps mean window-sill?
- n. alternative spelling of windowsill.
GNU Webster's 1913
- n. (Arch.) the flat piece of wood, stone, or the like, at the bottom of a window frame.
“Some color, however, was lent to the fear that they had secured an amount of money, from the fact that a silver half-dollar had been found on the window sill of a tool-house.”
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