Found 2 items, similar to doorsill.
English → English (WordNet)
Definition: doorsill
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]
English → English (gcide)
Definition: Doorsill
Doorsill
\Door"sill`\, n.
The sill or threshold of a door.
[1913 Webster]