- The horizontal wood nearest the floor into the frame of a building.
- A timber beam utilized while the foundation for a building.
- the best beam of a door-frame; the threshold.
- The wood of a building which lies beside the surface; the ground-plate; the sill.
- In mining, the underside little bit of a wooden gallery-frame.
Sentence for "groundsill"
- Peter; 'we'll drink to its memory…
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