Hypertext Webster Gateway: "doorsill"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Doorsill \Door"sill`\, n.
The sill or threshold of a door.
From WordNet (r) 1.7 (wn)
doorsill
n : the sill of a door; a horizontal piece of wood or stone that
forms the bottom of a doorway and offer support when
passing through a doorway [syn: {doorstep}, {threshold}]
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