sill : Idioms & Phrases
beverly sills
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noun United States operatic soprano (born in 1929)
Belle Miriam Silverman; Sills.
WordNet
Ground sill
- . See
Ground plate (a) (above).
Webster 1913
Sill course
(Arch.) , a horizontal course of stone, terra cotta, or the like, built into a wall at the level of one or more window sills, these sills often forming part of it.
Webster 1913
Window sill
(Arch.) , the flat piece of wood, stone, or the like, at the bottom of a window frame.